Home / 16,861.32-23,279.58-15,089.88

Finding the Fourth Proportional to 16,861.32, 23,279.58 and 15,089.88

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Solution

The fourth proportional to 16,861.32, 23,279.58 and 15,089.88 is: 20,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.32 : 23,279.58 = 15,089.88 : x
  2. Step 2: Convert to fraction form
    16,861.32/23,279.58 = 15,089.88/x
  3. Step 3: Cross multiply
    16,861.32x = 23,279.58 × 15,089.88
  4. Step 4: Simplify right side
    16,861.32x = 351,286,068.65
  5. Step 5: Solve for x
    x = 351,286,068.65/16,861.32
  6. Step 6: Final answer
    x = 20,833.84

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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.