Home / 10,624.59-15,938.82-4,381.20

Finding the Fourth Proportional to 10,624.59, 15,938.82 and 4,381.20

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Solution

The fourth proportional to 10,624.59, 15,938.82 and 4,381.20 is: 6,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.59 : 15,938.82 = 4,381.20 : x
  2. Step 2: Convert to fraction form
    10,624.59/15,938.82 = 4,381.20/x
  3. Step 3: Cross multiply
    10,624.59x = 15,938.82 × 4,381.20
  4. Step 4: Simplify right side
    10,624.59x = 69,831,158.18
  5. Step 5: Solve for x
    x = 69,831,158.18/10,624.59
  6. Step 6: Final answer
    x = 6,572.60

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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.