Home / 22,438.40-30,966.36-12,366.82

Finding the Fourth Proportional to 22,438.40, 30,966.36 and 12,366.82

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Solution

The fourth proportional to 22,438.40, 30,966.36 and 12,366.82 is: 17,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.40 : 30,966.36 = 12,366.82 : x
  2. Step 2: Convert to fraction form
    22,438.40/30,966.36 = 12,366.82/x
  3. Step 3: Cross multiply
    22,438.40x = 30,966.36 × 12,366.82
  4. Step 4: Simplify right side
    22,438.40x = 382,955,400.18
  5. Step 5: Solve for x
    x = 382,955,400.18/22,438.40
  6. Step 6: Final answer
    x = 17,066.97

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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.