Home / 22,133.82-30,543.48-12,701.76

Finding the Fourth Proportional to 22,133.82, 30,543.48 and 12,701.76

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Solution

The fourth proportional to 22,133.82, 30,543.48 and 12,701.76 is: 17,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.82 : 30,543.48 = 12,701.76 : x
  2. Step 2: Convert to fraction form
    22,133.82/30,543.48 = 12,701.76/x
  3. Step 3: Cross multiply
    22,133.82x = 30,543.48 × 12,701.76
  4. Step 4: Simplify right side
    22,133.82x = 387,955,952.52
  5. Step 5: Solve for x
    x = 387,955,952.52/22,133.82
  6. Step 6: Final answer
    x = 17,527.74

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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.