Home / 10,376.10-15,564.15-8,553.60

Finding the Fourth Proportional to 10,376.10, 15,564.15 and 8,553.60

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Solution

The fourth proportional to 10,376.10, 15,564.15 and 8,553.60 is: 12,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.10 : 15,564.15 = 8,553.60 : x
  2. Step 2: Convert to fraction form
    10,376.10/15,564.15 = 8,553.60/x
  3. Step 3: Cross multiply
    10,376.10x = 15,564.15 × 8,553.60
  4. Step 4: Simplify right side
    10,376.10x = 133,129,513.44
  5. Step 5: Solve for x
    x = 133,129,513.44/10,376.10
  6. Step 6: Final answer
    x = 12,830.40

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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.