Home / 22,645.42-31,251.48-12,574.02

Finding the Fourth Proportional to 22,645.42, 31,251.48 and 12,574.02

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Solution

The fourth proportional to 22,645.42, 31,251.48 and 12,574.02 is: 17,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.42 : 31,251.48 = 12,574.02 : x
  2. Step 2: Convert to fraction form
    22,645.42/31,251.48 = 12,574.02/x
  3. Step 3: Cross multiply
    22,645.42x = 31,251.48 × 12,574.02
  4. Step 4: Simplify right side
    22,645.42x = 392,956,734.55
  5. Step 5: Solve for x
    x = 392,956,734.55/22,645.42
  6. Step 6: Final answer
    x = 17,352.59

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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.