Home / 10,457.23-15,691.20-6,949.66

Finding the Fourth Proportional to 10,457.23, 15,691.20 and 6,949.66

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Solution

The fourth proportional to 10,457.23, 15,691.20 and 6,949.66 is: 10,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.23 : 15,691.20 = 6,949.66 : x
  2. Step 2: Convert to fraction form
    10,457.23/15,691.20 = 6,949.66/x
  3. Step 3: Cross multiply
    10,457.23x = 15,691.20 × 6,949.66
  4. Step 4: Simplify right side
    10,457.23x = 109,048,504.99
  5. Step 5: Solve for x
    x = 109,048,504.99/10,457.23
  6. Step 6: Final answer
    x = 10,428.05

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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.