Home / 16,956.32-23,399.60-9,402.65

Finding the Fourth Proportional to 16,956.32, 23,399.60 and 9,402.65

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Solution

The fourth proportional to 16,956.32, 23,399.60 and 9,402.65 is: 12,975.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.32 : 23,399.60 = 9,402.65 : x
  2. Step 2: Convert to fraction form
    16,956.32/23,399.60 = 9,402.65/x
  3. Step 3: Cross multiply
    16,956.32x = 23,399.60 × 9,402.65
  4. Step 4: Simplify right side
    16,956.32x = 220,018,248.94
  5. Step 5: Solve for x
    x = 220,018,248.94/16,956.32
  6. Step 6: Final answer
    x = 12,975.59

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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.