Home / 14,966.40-22,449.60-13,897.20

Finding the Fourth Proportional to 14,966.40, 22,449.60 and 13,897.20

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Solution

The fourth proportional to 14,966.40, 22,449.60 and 13,897.20 is: 20,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,966.40 : 22,449.60 = 13,897.20 : x
  2. Step 2: Convert to fraction form
    14,966.40/22,449.60 = 13,897.20/x
  3. Step 3: Cross multiply
    14,966.40x = 22,449.60 × 13,897.20
  4. Step 4: Simplify right side
    14,966.40x = 311,986,581.12
  5. Step 5: Solve for x
    x = 311,986,581.12/14,966.40
  6. Step 6: Final answer
    x = 20,845.80

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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.