Home / 15,651.78-23,480.41-6,886.47

Finding the Fourth Proportional to 15,651.78, 23,480.41 and 6,886.47

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Solution

The fourth proportional to 15,651.78, 23,480.41 and 6,886.47 is: 10,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.78 : 23,480.41 = 6,886.47 : x
  2. Step 2: Convert to fraction form
    15,651.78/23,480.41 = 6,886.47/x
  3. Step 3: Cross multiply
    15,651.78x = 23,480.41 × 6,886.47
  4. Step 4: Simplify right side
    15,651.78x = 161,697,060.68
  5. Step 5: Solve for x
    x = 161,697,060.68/15,651.78
  6. Step 6: Final answer
    x = 10,330.90

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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.