Home / 10,981.36-15,154.92-6,267.16

Finding the Fourth Proportional to 10,981.36, 15,154.92 and 6,267.16

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Solution

The fourth proportional to 10,981.36, 15,154.92 and 6,267.16 is: 8,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.36 : 15,154.92 = 6,267.16 : x
  2. Step 2: Convert to fraction form
    10,981.36/15,154.92 = 6,267.16/x
  3. Step 3: Cross multiply
    10,981.36x = 15,154.92 × 6,267.16
  4. Step 4: Simplify right side
    10,981.36x = 94,978,308.43
  5. Step 5: Solve for x
    x = 94,978,308.43/10,981.36
  6. Step 6: Final answer
    x = 8,649.05

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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.