Home / 15,402.20-21,325.02-14,624.60

Finding the Fourth Proportional to 15,402.20, 21,325.02 and 14,624.60

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Solution

The fourth proportional to 15,402.20, 21,325.02 and 14,624.60 is: 20,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.20 : 21,325.02 = 14,624.60 : x
  2. Step 2: Convert to fraction form
    15,402.20/21,325.02 = 14,624.60/x
  3. Step 3: Cross multiply
    15,402.20x = 21,325.02 × 14,624.60
  4. Step 4: Simplify right side
    15,402.20x = 311,869,887.49
  5. Step 5: Solve for x
    x = 311,869,887.49/15,402.20
  6. Step 6: Final answer
    x = 20,248.40

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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.