Home / 12,562.28-17,335.78-7,256.98

Finding the Fourth Proportional to 12,562.28, 17,335.78 and 7,256.98

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Solution

The fourth proportional to 12,562.28, 17,335.78 and 7,256.98 is: 10,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.28 : 17,335.78 = 7,256.98 : x
  2. Step 2: Convert to fraction form
    12,562.28/17,335.78 = 7,256.98/x
  3. Step 3: Cross multiply
    12,562.28x = 17,335.78 × 7,256.98
  4. Step 4: Simplify right side
    12,562.28x = 125,805,408.74
  5. Step 5: Solve for x
    x = 125,805,408.74/12,562.28
  6. Step 6: Final answer
    x = 10,014.54

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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.