Home / 19,864.56-29,776.68-12,474.24

Finding the Fourth Proportional to 19,864.56, 29,776.68 and 12,474.24

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Solution

The fourth proportional to 19,864.56, 29,776.68 and 12,474.24 is: 18,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.56 : 29,776.68 = 12,474.24 : x
  2. Step 2: Convert to fraction form
    19,864.56/29,776.68 = 12,474.24/x
  3. Step 3: Cross multiply
    19,864.56x = 29,776.68 × 12,474.24
  4. Step 4: Simplify right side
    19,864.56x = 371,441,452.72
  5. Step 5: Solve for x
    x = 371,441,452.72/19,864.56
  6. Step 6: Final answer
    x = 18,698.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.