Home / 18,338.28-25,308.36-11,267.16

Finding the Fourth Proportional to 18,338.28, 25,308.36 and 11,267.16

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Solution

The fourth proportional to 18,338.28, 25,308.36 and 11,267.16 is: 15,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.28 : 25,308.36 = 11,267.16 : x
  2. Step 2: Convert to fraction form
    18,338.28/25,308.36 = 11,267.16/x
  3. Step 3: Cross multiply
    18,338.28x = 25,308.36 × 11,267.16
  4. Step 4: Simplify right side
    18,338.28x = 285,153,341.46
  5. Step 5: Solve for x
    x = 285,153,341.46/18,338.28
  6. Step 6: Final answer
    x = 15,549.62

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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.