Home / 15,404.72-21,240.60-10,793.84

Finding the Fourth Proportional to 15,404.72, 21,240.60 and 10,793.84

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Solution

The fourth proportional to 15,404.72, 21,240.60 and 10,793.84 is: 14,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.72 : 21,240.60 = 10,793.84 : x
  2. Step 2: Convert to fraction form
    15,404.72/21,240.60 = 10,793.84/x
  3. Step 3: Cross multiply
    15,404.72x = 21,240.60 × 10,793.84
  4. Step 4: Simplify right side
    15,404.72x = 229,267,637.90
  5. Step 5: Solve for x
    x = 229,267,637.90/15,404.72
  6. Step 6: Final answer
    x = 14,882.95

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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.