Home / 18,299.46-25,253.29-9,915.96

Finding the Fourth Proportional to 18,299.46, 25,253.29 and 9,915.96

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Solution

The fourth proportional to 18,299.46, 25,253.29 and 9,915.96 is: 13,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.46 : 25,253.29 = 9,915.96 : x
  2. Step 2: Convert to fraction form
    18,299.46/25,253.29 = 9,915.96/x
  3. Step 3: Cross multiply
    18,299.46x = 25,253.29 × 9,915.96
  4. Step 4: Simplify right side
    18,299.46x = 250,410,677.47
  5. Step 5: Solve for x
    x = 250,410,677.47/18,299.46
  6. Step 6: Final answer
    x = 13,684.05

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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.