Home / 12,500.40-17,252.28-7,193.28

Finding the Fourth Proportional to 12,500.40, 17,252.28 and 7,193.28

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Solution

The fourth proportional to 12,500.40, 17,252.28 and 7,193.28 is: 9,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.40 : 17,252.28 = 7,193.28 : x
  2. Step 2: Convert to fraction form
    12,500.40/17,252.28 = 7,193.28/x
  3. Step 3: Cross multiply
    12,500.40x = 17,252.28 × 7,193.28
  4. Step 4: Simplify right side
    12,500.40x = 124,100,480.68
  5. Step 5: Solve for x
    x = 124,100,480.68/12,500.40
  6. Step 6: Final answer
    x = 9,927.72

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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.