Home / 19,017.92-26,236.68-12,732.32

Finding the Fourth Proportional to 19,017.92, 26,236.68 and 12,732.32

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Solution

The fourth proportional to 19,017.92, 26,236.68 and 12,732.32 is: 17,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.92 : 26,236.68 = 12,732.32 : x
  2. Step 2: Convert to fraction form
    19,017.92/26,236.68 = 12,732.32/x
  3. Step 3: Cross multiply
    19,017.92x = 26,236.68 × 12,732.32
  4. Step 4: Simplify right side
    19,017.92x = 334,053,674.31
  5. Step 5: Solve for x
    x = 334,053,674.31/19,017.92
  6. Step 6: Final answer
    x = 17,565.21

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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.