Home / 22,041.28-30,424.48-13,543.74

Finding the Fourth Proportional to 22,041.28, 30,424.48 and 13,543.74

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Solution

The fourth proportional to 22,041.28, 30,424.48 and 13,543.74 is: 18,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.28 : 30,424.48 = 13,543.74 : x
  2. Step 2: Convert to fraction form
    22,041.28/30,424.48 = 13,543.74/x
  3. Step 3: Cross multiply
    22,041.28x = 30,424.48 × 13,543.74
  4. Step 4: Simplify right side
    22,041.28x = 412,061,212.90
  5. Step 5: Solve for x
    x = 412,061,212.90/22,041.28
  6. Step 6: Final answer
    x = 18,694.98

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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.