Home / 15,954.36-23,909.64-8,146.80

Finding the Fourth Proportional to 15,954.36, 23,909.64 and 8,146.80

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Solution

The fourth proportional to 15,954.36, 23,909.64 and 8,146.80 is: 12,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.36 : 23,909.64 = 8,146.80 : x
  2. Step 2: Convert to fraction form
    15,954.36/23,909.64 = 8,146.80/x
  3. Step 3: Cross multiply
    15,954.36x = 23,909.64 × 8,146.80
  4. Step 4: Simplify right side
    15,954.36x = 194,787,055.15
  5. Step 5: Solve for x
    x = 194,787,055.15/15,954.36
  6. Step 6: Final answer
    x = 12,209.02

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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.