Home / 12,426.62-17,155.09-9,587.62

Finding the Fourth Proportional to 12,426.62, 17,155.09 and 9,587.62

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Solution

The fourth proportional to 12,426.62, 17,155.09 and 9,587.62 is: 13,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.62 : 17,155.09 = 9,587.62 : x
  2. Step 2: Convert to fraction form
    12,426.62/17,155.09 = 9,587.62/x
  3. Step 3: Cross multiply
    12,426.62x = 17,155.09 × 9,587.62
  4. Step 4: Simplify right side
    12,426.62x = 164,476,398.21
  5. Step 5: Solve for x
    x = 164,476,398.21/12,426.62
  6. Step 6: Final answer
    x = 13,235.81

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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.