Home / 14,001.19-21,002.07-4,140.47

Finding the Fourth Proportional to 14,001.19, 21,002.07 and 4,140.47

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Solution

The fourth proportional to 14,001.19, 21,002.07 and 4,140.47 is: 6,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.19 : 21,002.07 = 4,140.47 : x
  2. Step 2: Convert to fraction form
    14,001.19/21,002.07 = 4,140.47/x
  3. Step 3: Cross multiply
    14,001.19x = 21,002.07 × 4,140.47
  4. Step 4: Simplify right side
    14,001.19x = 86,958,440.77
  5. Step 5: Solve for x
    x = 86,958,440.77/14,001.19
  6. Step 6: Final answer
    x = 6,210.79

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.