Home / 12,710.88-17,545.68-9,561.60

Finding the Fourth Proportional to 12,710.88, 17,545.68 and 9,561.60

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Solution

The fourth proportional to 12,710.88, 17,545.68 and 9,561.60 is: 13,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.88 : 17,545.68 = 9,561.60 : x
  2. Step 2: Convert to fraction form
    12,710.88/17,545.68 = 9,561.60/x
  3. Step 3: Cross multiply
    12,710.88x = 17,545.68 × 9,561.60
  4. Step 4: Simplify right side
    12,710.88x = 167,764,773.89
  5. Step 5: Solve for x
    x = 167,764,773.89/12,710.88
  6. Step 6: Final answer
    x = 13,198.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.