Home / 10,475.40-15,681.92-6,766.82

Finding the Fourth Proportional to 10,475.40, 15,681.92 and 6,766.82

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Solution

The fourth proportional to 10,475.40, 15,681.92 and 6,766.82 is: 10,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.40 : 15,681.92 = 6,766.82 : x
  2. Step 2: Convert to fraction form
    10,475.40/15,681.92 = 6,766.82/x
  3. Step 3: Cross multiply
    10,475.40x = 15,681.92 × 6,766.82
  4. Step 4: Simplify right side
    10,475.40x = 106,116,617.65
  5. Step 5: Solve for x
    x = 106,116,617.65/10,475.40
  6. Step 6: Final answer
    x = 10,130.08

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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.