Home / 10,731.36-16,079.50-10,321.30

Finding the Fourth Proportional to 10,731.36, 16,079.50 and 10,321.30

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Solution

The fourth proportional to 10,731.36, 16,079.50 and 10,321.30 is: 15,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.36 : 16,079.50 = 10,321.30 : x
  2. Step 2: Convert to fraction form
    10,731.36/16,079.50 = 10,321.30/x
  3. Step 3: Cross multiply
    10,731.36x = 16,079.50 × 10,321.30
  4. Step 4: Simplify right side
    10,731.36x = 165,961,343.35
  5. Step 5: Solve for x
    x = 165,961,343.35/10,731.36
  6. Step 6: Final answer
    x = 15,465.08

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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.