Home / 22,497.46-31,050.84-12,943.78

Finding the Fourth Proportional to 22,497.46, 31,050.84 and 12,943.78

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Solution

The fourth proportional to 22,497.46, 31,050.84 and 12,943.78 is: 17,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.46 : 31,050.84 = 12,943.78 : x
  2. Step 2: Convert to fraction form
    22,497.46/31,050.84 = 12,943.78/x
  3. Step 3: Cross multiply
    22,497.46x = 31,050.84 × 12,943.78
  4. Step 4: Simplify right side
    22,497.46x = 401,915,241.78
  5. Step 5: Solve for x
    x = 401,915,241.78/22,497.46
  6. Step 6: Final answer
    x = 17,864.92

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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.