Home / 18,817.24-25,966.36-10,318

Finding the Fourth Proportional to 18,817.24, 25,966.36 and 10,318

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Solution

The fourth proportional to 18,817.24, 25,966.36 and 10,318 is: 14,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.24 : 25,966.36 = 10,318 : x
  2. Step 2: Convert to fraction form
    18,817.24/25,966.36 = 10,318/x
  3. Step 3: Cross multiply
    18,817.24x = 25,966.36 × 10,318
  4. Step 4: Simplify right side
    18,817.24x = 267,920,902.48
  5. Step 5: Solve for x
    x = 267,920,902.48/18,817.24
  6. Step 6: Final answer
    x = 14,238.06

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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.