Home / 22,645.14-31,246.65-12,573.38

Finding the Fourth Proportional to 22,645.14, 31,246.65 and 12,573.38

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Solution

The fourth proportional to 22,645.14, 31,246.65 and 12,573.38 is: 17,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.14 : 31,246.65 = 12,573.38 : x
  2. Step 2: Convert to fraction form
    22,645.14/31,246.65 = 12,573.38/x
  3. Step 3: Cross multiply
    22,645.14x = 31,246.65 × 12,573.38
  4. Step 4: Simplify right side
    22,645.14x = 392,875,847.94
  5. Step 5: Solve for x
    x = 392,875,847.94/22,645.14
  6. Step 6: Final answer
    x = 17,349.23

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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.