Home / 10,969.92-15,138.45-6,254.19

Finding the Fourth Proportional to 10,969.92, 15,138.45 and 6,254.19

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Solution

The fourth proportional to 10,969.92, 15,138.45 and 6,254.19 is: 8,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.92 : 15,138.45 = 6,254.19 : x
  2. Step 2: Convert to fraction form
    10,969.92/15,138.45 = 6,254.19/x
  3. Step 3: Cross multiply
    10,969.92x = 15,138.45 × 6,254.19
  4. Step 4: Simplify right side
    10,969.92x = 94,678,742.61
  5. Step 5: Solve for x
    x = 94,678,742.61/10,969.92
  6. Step 6: Final answer
    x = 8,630.76

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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.