Home / 22,529.80-31,089.48-12,458.36

Finding the Fourth Proportional to 22,529.80, 31,089.48 and 12,458.36

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Solution

The fourth proportional to 22,529.80, 31,089.48 and 12,458.36 is: 17,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.80 : 31,089.48 = 12,458.36 : x
  2. Step 2: Convert to fraction form
    22,529.80/31,089.48 = 12,458.36/x
  3. Step 3: Cross multiply
    22,529.80x = 31,089.48 × 12,458.36
  4. Step 4: Simplify right side
    22,529.80x = 387,323,934.05
  5. Step 5: Solve for x
    x = 387,323,934.05/22,529.80
  6. Step 6: Final answer
    x = 17,191.63

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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.