Home / 14,701.62-20,288.22-7,987.14

Finding the Fourth Proportional to 14,701.62, 20,288.22 and 7,987.14

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Solution

The fourth proportional to 14,701.62, 20,288.22 and 7,987.14 is: 11,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701.62 : 20,288.22 = 7,987.14 : x
  2. Step 2: Convert to fraction form
    14,701.62/20,288.22 = 7,987.14/x
  3. Step 3: Cross multiply
    14,701.62x = 20,288.22 × 7,987.14
  4. Step 4: Simplify right side
    14,701.62x = 162,044,853.49
  5. Step 5: Solve for x
    x = 162,044,853.49/14,701.62
  6. Step 6: Final answer
    x = 11,022.24

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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.