Home / 18,316.32-27,472.56-8,952.72

Finding the Fourth Proportional to 18,316.32, 27,472.56 and 8,952.72

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Solution

The fourth proportional to 18,316.32, 27,472.56 and 8,952.72 is: 13,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.32 : 27,472.56 = 8,952.72 : x
  2. Step 2: Convert to fraction form
    18,316.32/27,472.56 = 8,952.72/x
  3. Step 3: Cross multiply
    18,316.32x = 27,472.56 × 8,952.72
  4. Step 4: Simplify right side
    18,316.32x = 245,954,137.36
  5. Step 5: Solve for x
    x = 245,954,137.36/18,316.32
  6. Step 6: Final answer
    x = 13,428.14

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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.