Home / 22,124.80-30,536.40-12,699.52

Finding the Fourth Proportional to 22,124.80, 30,536.40 and 12,699.52

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Solution

The fourth proportional to 22,124.80, 30,536.40 and 12,699.52 is: 17,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.80 : 30,536.40 = 12,699.52 : x
  2. Step 2: Convert to fraction form
    22,124.80/30,536.40 = 12,699.52/x
  3. Step 3: Cross multiply
    22,124.80x = 30,536.40 × 12,699.52
  4. Step 4: Simplify right side
    22,124.80x = 387,797,622.53
  5. Step 5: Solve for x
    x = 387,797,622.53/22,124.80
  6. Step 6: Final answer
    x = 17,527.73

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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.