Home / 18,404.20-27,587.10-10,071.40

Finding the Fourth Proportional to 18,404.20, 27,587.10 and 10,071.40

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Solution

The fourth proportional to 18,404.20, 27,587.10 and 10,071.40 is: 15,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.20 : 27,587.10 = 10,071.40 : x
  2. Step 2: Convert to fraction form
    18,404.20/27,587.10 = 10,071.40/x
  3. Step 3: Cross multiply
    18,404.20x = 27,587.10 × 10,071.40
  4. Step 4: Simplify right side
    18,404.20x = 277,840,718.94
  5. Step 5: Solve for x
    x = 277,840,718.94/18,404.20
  6. Step 6: Final answer
    x = 15,096.59

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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.