Home / 12,725.04-17,565.36-8,535.68

Finding the Fourth Proportional to 12,725.04, 17,565.36 and 8,535.68

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Solution

The fourth proportional to 12,725.04, 17,565.36 and 8,535.68 is: 11,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.04 : 17,565.36 = 8,535.68 : x
  2. Step 2: Convert to fraction form
    12,725.04/17,565.36 = 8,535.68/x
  3. Step 3: Cross multiply
    12,725.04x = 17,565.36 × 8,535.68
  4. Step 4: Simplify right side
    12,725.04x = 149,932,292.04
  5. Step 5: Solve for x
    x = 149,932,292.04/12,725.04
  6. Step 6: Final answer
    x = 11,782.46

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Double scale
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Similar ratio
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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.