Home / 13,278.46-18,324.28-7,310.14

Finding the Fourth Proportional to 13,278.46, 18,324.28 and 7,310.14

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Solution

The fourth proportional to 13,278.46, 18,324.28 and 7,310.14 is: 10,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278.46 : 18,324.28 = 7,310.14 : x
  2. Step 2: Convert to fraction form
    13,278.46/18,324.28 = 7,310.14/x
  3. Step 3: Cross multiply
    13,278.46x = 18,324.28 × 7,310.14
  4. Step 4: Simplify right side
    13,278.46x = 133,953,052.20
  5. Step 5: Solve for x
    x = 133,953,052.20/13,278.46
  6. Step 6: Final answer
    x = 10,088.00

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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.