Home / 10,153.09-15,204.66-8,387.29

Finding the Fourth Proportional to 10,153.09, 15,204.66 and 8,387.29

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Solution

The fourth proportional to 10,153.09, 15,204.66 and 8,387.29 is: 12,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.09 : 15,204.66 = 8,387.29 : x
  2. Step 2: Convert to fraction form
    10,153.09/15,204.66 = 8,387.29/x
  3. Step 3: Cross multiply
    10,153.09x = 15,204.66 × 8,387.29
  4. Step 4: Simplify right side
    10,153.09x = 127,525,892.77
  5. Step 5: Solve for x
    x = 127,525,892.77/10,153.09
  6. Step 6: Final answer
    x = 12,560.30

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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.