Home / 15,008.40-22,539.24-14,242.68

Finding the Fourth Proportional to 15,008.40, 22,539.24 and 14,242.68

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Solution

The fourth proportional to 15,008.40, 22,539.24 and 14,242.68 is: 21,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.40 : 22,539.24 = 14,242.68 : x
  2. Step 2: Convert to fraction form
    15,008.40/22,539.24 = 14,242.68/x
  3. Step 3: Cross multiply
    15,008.40x = 22,539.24 × 14,242.68
  4. Step 4: Simplify right side
    15,008.40x = 321,019,182.76
  5. Step 5: Solve for x
    x = 321,019,182.76/15,008.40
  6. Step 6: Final answer
    x = 21,389.30

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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.