Home / 30,160.17-45,244.08-11,446.74

Finding the Fourth Proportional to 30,160.17, 45,244.08 and 11,446.74

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Solution

The fourth proportional to 30,160.17, 45,244.08 and 11,446.74 is: 17,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.17 : 45,244.08 = 11,446.74 : x
  2. Step 2: Convert to fraction form
    30,160.17/45,244.08 = 11,446.74/x
  3. Step 3: Cross multiply
    30,160.17x = 45,244.08 × 11,446.74
  4. Step 4: Simplify right side
    30,160.17x = 517,897,220.30
  5. Step 5: Solve for x
    x = 517,897,220.30/30,160.17
  6. Step 6: Final answer
    x = 17,171.56

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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.