Home / 22,147.36-30,565.95-12,588.69

Finding the Fourth Proportional to 22,147.36, 30,565.95 and 12,588.69

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Solution

The fourth proportional to 22,147.36, 30,565.95 and 12,588.69 is: 17,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.36 : 30,565.95 = 12,588.69 : x
  2. Step 2: Convert to fraction form
    22,147.36/30,565.95 = 12,588.69/x
  3. Step 3: Cross multiply
    22,147.36x = 30,565.95 × 12,588.69
  4. Step 4: Simplify right side
    22,147.36x = 384,785,167.13
  5. Step 5: Solve for x
    x = 384,785,167.13/22,147.36
  6. Step 6: Final answer
    x = 17,373.86

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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.