Home / 14,002.41-19,323.38-7,714.79

Finding the Fourth Proportional to 14,002.41, 19,323.38 and 7,714.79

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Solution

The fourth proportional to 14,002.41, 19,323.38 and 7,714.79 is: 10,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.41 : 19,323.38 = 7,714.79 : x
  2. Step 2: Convert to fraction form
    14,002.41/19,323.38 = 7,714.79/x
  3. Step 3: Cross multiply
    14,002.41x = 19,323.38 × 7,714.79
  4. Step 4: Simplify right side
    14,002.41x = 149,075,741.46
  5. Step 5: Solve for x
    x = 149,075,741.46/14,002.41
  6. Step 6: Final answer
    x = 10,646.43

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.