Home / 12,542.77-17,314.95-7,236.69

Finding the Fourth Proportional to 12,542.77, 17,314.95 and 7,236.69

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Solution

The fourth proportional to 12,542.77, 17,314.95 and 7,236.69 is: 9,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.77 : 17,314.95 = 7,236.69 : x
  2. Step 2: Convert to fraction form
    12,542.77/17,314.95 = 7,236.69/x
  3. Step 3: Cross multiply
    12,542.77x = 17,314.95 × 7,236.69
  4. Step 4: Simplify right side
    12,542.77x = 125,302,925.52
  5. Step 5: Solve for x
    x = 125,302,925.52/12,542.77
  6. Step 6: Final answer
    x = 9,990.05

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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.