Home / 12,517.61-17,266.03-7,477.85

Finding the Fourth Proportional to 12,517.61, 17,266.03 and 7,477.85

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Solution

The fourth proportional to 12,517.61, 17,266.03 and 7,477.85 is: 10,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.61 : 17,266.03 = 7,477.85 : x
  2. Step 2: Convert to fraction form
    12,517.61/17,266.03 = 7,477.85/x
  3. Step 3: Cross multiply
    12,517.61x = 17,266.03 × 7,477.85
  4. Step 4: Simplify right side
    12,517.61x = 129,112,806.91
  5. Step 5: Solve for x
    x = 129,112,806.91/12,517.61
  6. Step 6: Final answer
    x = 10,314.50

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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.