Home / 12,545.77-17,313.53-7,240.88

Finding the Fourth Proportional to 12,545.77, 17,313.53 and 7,240.88

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Solution

The fourth proportional to 12,545.77, 17,313.53 and 7,240.88 is: 9,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.77 : 17,313.53 = 7,240.88 : x
  2. Step 2: Convert to fraction form
    12,545.77/17,313.53 = 7,240.88/x
  3. Step 3: Cross multiply
    12,545.77x = 17,313.53 × 7,240.88
  4. Step 4: Simplify right side
    12,545.77x = 125,365,193.11
  5. Step 5: Solve for x
    x = 125,365,193.11/12,545.77
  6. Step 6: Final answer
    x = 9,992.63

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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.