Home / 10,586.30-15,857.92-6,877.28

Finding the Fourth Proportional to 10,586.30, 15,857.92 and 6,877.28

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Solution

The fourth proportional to 10,586.30, 15,857.92 and 6,877.28 is: 10,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.30 : 15,857.92 = 6,877.28 : x
  2. Step 2: Convert to fraction form
    10,586.30/15,857.92 = 6,877.28/x
  3. Step 3: Cross multiply
    10,586.30x = 15,857.92 × 6,877.28
  4. Step 4: Simplify right side
    10,586.30x = 109,059,356.06
  5. Step 5: Solve for x
    x = 109,059,356.06/10,586.30
  6. Step 6: Final answer
    x = 10,301.93

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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.