Home / 17,921.52-24,727.68-10,847.79

Finding the Fourth Proportional to 17,921.52, 24,727.68 and 10,847.79

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Solution

The fourth proportional to 17,921.52, 24,727.68 and 10,847.79 is: 14,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.52 : 24,727.68 = 10,847.79 : x
  2. Step 2: Convert to fraction form
    17,921.52/24,727.68 = 10,847.79/x
  3. Step 3: Cross multiply
    17,921.52x = 24,727.68 × 10,847.79
  4. Step 4: Simplify right side
    17,921.52x = 268,240,679.83
  5. Step 5: Solve for x
    x = 268,240,679.83/17,921.52
  6. Step 6: Final answer
    x = 14,967.52

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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.