Home / 14,989.20-22,451.40-13,347.60

Finding the Fourth Proportional to 14,989.20, 22,451.40 and 13,347.60

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Solution

The fourth proportional to 14,989.20, 22,451.40 and 13,347.60 is: 19,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.20 : 22,451.40 = 13,347.60 : x
  2. Step 2: Convert to fraction form
    14,989.20/22,451.40 = 13,347.60/x
  3. Step 3: Cross multiply
    14,989.20x = 22,451.40 × 13,347.60
  4. Step 4: Simplify right side
    14,989.20x = 299,672,306.64
  5. Step 5: Solve for x
    x = 299,672,306.64/14,989.20
  6. Step 6: Final answer
    x = 19,992.55

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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.