Home / 19,265.60-28,898.40-9,424.10

Finding the Fourth Proportional to 19,265.60, 28,898.40 and 9,424.10

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Solution

The fourth proportional to 19,265.60, 28,898.40 and 9,424.10 is: 14,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.60 : 28,898.40 = 9,424.10 : x
  2. Step 2: Convert to fraction form
    19,265.60/28,898.40 = 9,424.10/x
  3. Step 3: Cross multiply
    19,265.60x = 28,898.40 × 9,424.10
  4. Step 4: Simplify right side
    19,265.60x = 272,341,411.44
  5. Step 5: Solve for x
    x = 272,341,411.44/19,265.60
  6. Step 6: Final answer
    x = 14,136.15

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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.