Home / 14,987.20-22,505.10-10,856.20

Finding the Fourth Proportional to 14,987.20, 22,505.10 and 10,856.20

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Solution

The fourth proportional to 14,987.20, 22,505.10 and 10,856.20 is: 16,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.20 : 22,505.10 = 10,856.20 : x
  2. Step 2: Convert to fraction form
    14,987.20/22,505.10 = 10,856.20/x
  3. Step 3: Cross multiply
    14,987.20x = 22,505.10 × 10,856.20
  4. Step 4: Simplify right side
    14,987.20x = 244,319,866.62
  5. Step 5: Solve for x
    x = 244,319,866.62/14,987.20
  6. Step 6: Final answer
    x = 16,301.90

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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.