Home / 15,314.13-22,867.47-12,158.73

Finding the Fourth Proportional to 15,314.13, 22,867.47 and 12,158.73

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Solution

The fourth proportional to 15,314.13, 22,867.47 and 12,158.73 is: 18,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.13 : 22,867.47 = 12,158.73 : x
  2. Step 2: Convert to fraction form
    15,314.13/22,867.47 = 12,158.73/x
  3. Step 3: Cross multiply
    15,314.13x = 22,867.47 × 12,158.73
  4. Step 4: Simplify right side
    15,314.13x = 278,039,393.51
  5. Step 5: Solve for x
    x = 278,039,393.51/15,314.13
  6. Step 6: Final answer
    x = 18,155.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.