Home / 19,152.90-28,732.23-9,787.86

Finding the Fourth Proportional to 19,152.90, 28,732.23 and 9,787.86

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Solution

The fourth proportional to 19,152.90, 28,732.23 and 9,787.86 is: 14,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.90 : 28,732.23 = 9,787.86 : x
  2. Step 2: Convert to fraction form
    19,152.90/28,732.23 = 9,787.86/x
  3. Step 3: Cross multiply
    19,152.90x = 28,732.23 × 9,787.86
  4. Step 4: Simplify right side
    19,152.90x = 281,227,044.73
  5. Step 5: Solve for x
    x = 281,227,044.73/19,152.90
  6. Step 6: Final answer
    x = 14,683.26

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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.