Home / 17,182.32-23,712.12-12,145.20

Finding the Fourth Proportional to 17,182.32, 23,712.12 and 12,145.20

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Solution

The fourth proportional to 17,182.32, 23,712.12 and 12,145.20 is: 16,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,182.32 : 23,712.12 = 12,145.20 : x
  2. Step 2: Convert to fraction form
    17,182.32/23,712.12 = 12,145.20/x
  3. Step 3: Cross multiply
    17,182.32x = 23,712.12 × 12,145.20
  4. Step 4: Simplify right side
    17,182.32x = 287,988,439.82
  5. Step 5: Solve for x
    x = 287,988,439.82/17,182.32
  6. Step 6: Final answer
    x = 16,760.74

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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.