Home / 22,746.97-31,390.02-12,674.89

Finding the Fourth Proportional to 22,746.97, 31,390.02 and 12,674.89

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Solution

The fourth proportional to 22,746.97, 31,390.02 and 12,674.89 is: 17,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746.97 : 31,390.02 = 12,674.89 : x
  2. Step 2: Convert to fraction form
    22,746.97/31,390.02 = 12,674.89/x
  3. Step 3: Cross multiply
    22,746.97x = 31,390.02 × 12,674.89
  4. Step 4: Simplify right side
    22,746.97x = 397,865,050.60
  5. Step 5: Solve for x
    x = 397,865,050.60/22,746.97
  6. Step 6: Final answer
    x = 17,490.90

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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.