Home / 10,489.23-15,728.85-6,107.94

Finding the Fourth Proportional to 10,489.23, 15,728.85 and 6,107.94

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Solution

The fourth proportional to 10,489.23, 15,728.85 and 6,107.94 is: 9,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.23 : 15,728.85 = 6,107.94 : x
  2. Step 2: Convert to fraction form
    10,489.23/15,728.85 = 6,107.94/x
  3. Step 3: Cross multiply
    10,489.23x = 15,728.85 × 6,107.94
  4. Step 4: Simplify right side
    10,489.23x = 96,070,872.07
  5. Step 5: Solve for x
    x = 96,070,872.07/10,489.23
  6. Step 6: Final answer
    x = 9,159.00

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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.