Home / 18,747.32-28,126.83-5,600.21

Finding the Fourth Proportional to 18,747.32, 28,126.83 and 5,600.21

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Solution

The fourth proportional to 18,747.32, 28,126.83 and 5,600.21 is: 8,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.32 : 28,126.83 = 5,600.21 : x
  2. Step 2: Convert to fraction form
    18,747.32/28,126.83 = 5,600.21/x
  3. Step 3: Cross multiply
    18,747.32x = 28,126.83 × 5,600.21
  4. Step 4: Simplify right side
    18,747.32x = 157,516,154.63
  5. Step 5: Solve for x
    x = 157,516,154.63/18,747.32
  6. Step 6: Final answer
    x = 8,402.06

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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.