Home / 19,398.38-29,099.25-5,358.42

Finding the Fourth Proportional to 19,398.38, 29,099.25 and 5,358.42

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Solution

The fourth proportional to 19,398.38, 29,099.25 and 5,358.42 is: 8,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.38 : 29,099.25 = 5,358.42 : x
  2. Step 2: Convert to fraction form
    19,398.38/29,099.25 = 5,358.42/x
  3. Step 3: Cross multiply
    19,398.38x = 29,099.25 × 5,358.42
  4. Step 4: Simplify right side
    19,398.38x = 155,926,003.19
  5. Step 5: Solve for x
    x = 155,926,003.19/19,398.38
  6. Step 6: Final answer
    x = 8,038.10

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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.