Home / 10,719.74-16,104.32-10,276.88

Finding the Fourth Proportional to 10,719.74, 16,104.32 and 10,276.88

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Solution

The fourth proportional to 10,719.74, 16,104.32 and 10,276.88 is: 15,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.74 : 16,104.32 = 10,276.88 : x
  2. Step 2: Convert to fraction form
    10,719.74/16,104.32 = 10,276.88/x
  3. Step 3: Cross multiply
    10,719.74x = 16,104.32 × 10,276.88
  4. Step 4: Simplify right side
    10,719.74x = 165,502,070.75
  5. Step 5: Solve for x
    x = 165,502,070.75/10,719.74
  6. Step 6: Final answer
    x = 15,439.00

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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.