Home / 22,633.79-31,238.36-12,565.45

Finding the Fourth Proportional to 22,633.79, 31,238.36 and 12,565.45

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Solution

The fourth proportional to 22,633.79, 31,238.36 and 12,565.45 is: 17,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,633.79 : 31,238.36 = 12,565.45 : x
  2. Step 2: Convert to fraction form
    22,633.79/31,238.36 = 12,565.45/x
  3. Step 3: Cross multiply
    22,633.79x = 31,238.36 × 12,565.45
  4. Step 4: Simplify right side
    22,633.79x = 392,524,050.66
  5. Step 5: Solve for x
    x = 392,524,050.66/22,633.79
  6. Step 6: Final answer
    x = 17,342.39

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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.