Home / 15,355.44-23,038.61-8,787.15

Finding the Fourth Proportional to 15,355.44, 23,038.61 and 8,787.15

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Solution

The fourth proportional to 15,355.44, 23,038.61 and 8,787.15 is: 13,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,355.44 : 23,038.61 = 8,787.15 : x
  2. Step 2: Convert to fraction form
    15,355.44/23,038.61 = 8,787.15/x
  3. Step 3: Cross multiply
    15,355.44x = 23,038.61 × 8,787.15
  4. Step 4: Simplify right side
    15,355.44x = 202,443,677.93
  5. Step 5: Solve for x
    x = 202,443,677.93/15,355.44
  6. Step 6: Final answer
    x = 13,183.84

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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.