Home / 10,507.00-15,765.50-6,557.18

Finding the Fourth Proportional to 10,507.00, 15,765.50 and 6,557.18

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Solution

The fourth proportional to 10,507.00, 15,765.50 and 6,557.18 is: 9,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.00 : 15,765.50 = 6,557.18 : x
  2. Step 2: Convert to fraction form
    10,507.00/15,765.50 = 6,557.18/x
  3. Step 3: Cross multiply
    10,507.00x = 15,765.50 × 6,557.18
  4. Step 4: Simplify right side
    10,507.00x = 103,377,277.10
  5. Step 5: Solve for x
    x = 103,377,277.10/10,507.00
  6. Step 6: Final answer
    x = 9,838.90

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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.