Home / 18,817.32-28,227.36-6,337.28

Finding the Fourth Proportional to 18,817.32, 28,227.36 and 6,337.28

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Solution

The fourth proportional to 18,817.32, 28,227.36 and 6,337.28 is: 9,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.32 : 28,227.36 = 6,337.28 : x
  2. Step 2: Convert to fraction form
    18,817.32/28,227.36 = 6,337.28/x
  3. Step 3: Cross multiply
    18,817.32x = 28,227.36 × 6,337.28
  4. Step 4: Simplify right side
    18,817.32x = 178,884,683.98
  5. Step 5: Solve for x
    x = 178,884,683.98/18,817.32
  6. Step 6: Final answer
    x = 9,506.38

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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.