Home / 15,521.86-23,286.39-5,660.74

Finding the Fourth Proportional to 15,521.86, 23,286.39 and 5,660.74

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Solution

The fourth proportional to 15,521.86, 23,286.39 and 5,660.74 is: 8,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.86 : 23,286.39 = 5,660.74 : x
  2. Step 2: Convert to fraction form
    15,521.86/23,286.39 = 5,660.74/x
  3. Step 3: Cross multiply
    15,521.86x = 23,286.39 × 5,660.74
  4. Step 4: Simplify right side
    15,521.86x = 131,818,199.33
  5. Step 5: Solve for x
    x = 131,818,199.33/15,521.86
  6. Step 6: Final answer
    x = 8,492.42

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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.