Home / 10,451.08-15,663.66-8,880.76

Finding the Fourth Proportional to 10,451.08, 15,663.66 and 8,880.76

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Solution

The fourth proportional to 10,451.08, 15,663.66 and 8,880.76 is: 13,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.08 : 15,663.66 = 8,880.76 : x
  2. Step 2: Convert to fraction form
    10,451.08/15,663.66 = 8,880.76/x
  3. Step 3: Cross multiply
    10,451.08x = 15,663.66 × 8,880.76
  4. Step 4: Simplify right side
    10,451.08x = 139,105,205.18
  5. Step 5: Solve for x
    x = 139,105,205.18/10,451.08
  6. Step 6: Final answer
    x = 13,310.13

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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.