Home / 22,643.90-31,248.30-12,571.96

Finding the Fourth Proportional to 22,643.90, 31,248.30 and 12,571.96

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Solution

The fourth proportional to 22,643.90, 31,248.30 and 12,571.96 is: 17,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.90 : 31,248.30 = 12,571.96 : x
  2. Step 2: Convert to fraction form
    22,643.90/31,248.30 = 12,571.96/x
  3. Step 3: Cross multiply
    22,643.90x = 31,248.30 × 12,571.96
  4. Step 4: Simplify right side
    22,643.90x = 392,852,377.67
  5. Step 5: Solve for x
    x = 392,852,377.67/22,643.90
  6. Step 6: Final answer
    x = 17,349.15

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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.