Home / 13,257.24-18,275.72-9,265.98

Finding the Fourth Proportional to 13,257.24, 18,275.72 and 9,265.98

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Solution

The fourth proportional to 13,257.24, 18,275.72 and 9,265.98 is: 12,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.24 : 18,275.72 = 9,265.98 : x
  2. Step 2: Convert to fraction form
    13,257.24/18,275.72 = 9,265.98/x
  3. Step 3: Cross multiply
    13,257.24x = 18,275.72 × 9,265.98
  4. Step 4: Simplify right side
    13,257.24x = 169,342,456.01
  5. Step 5: Solve for x
    x = 169,342,456.01/13,257.24
  6. Step 6: Final answer
    x = 12,773.58

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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.