Home / 16,979.32-23,431.50-9,527.32

Finding the Fourth Proportional to 16,979.32, 23,431.50 and 9,527.32

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Solution

The fourth proportional to 16,979.32, 23,431.50 and 9,527.32 is: 13,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.32 : 23,431.50 = 9,527.32 : x
  2. Step 2: Convert to fraction form
    16,979.32/23,431.50 = 9,527.32/x
  3. Step 3: Cross multiply
    16,979.32x = 23,431.50 × 9,527.32
  4. Step 4: Simplify right side
    16,979.32x = 223,239,398.58
  5. Step 5: Solve for x
    x = 223,239,398.58/16,979.32
  6. Step 6: Final answer
    x = 13,147.72

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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.