Home / 22,559.80-31,132.14-12,488.03

Finding the Fourth Proportional to 22,559.80, 31,132.14 and 12,488.03

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Solution

The fourth proportional to 22,559.80, 31,132.14 and 12,488.03 is: 17,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,559.80 : 31,132.14 = 12,488.03 : x
  2. Step 2: Convert to fraction form
    22,559.80/31,132.14 = 12,488.03/x
  3. Step 3: Cross multiply
    22,559.80x = 31,132.14 × 12,488.03
  4. Step 4: Simplify right side
    22,559.80x = 388,778,989.45
  5. Step 5: Solve for x
    x = 388,778,989.45/22,559.80
  6. Step 6: Final answer
    x = 17,233.27

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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.