Home / 15,451.04-23,176.20-8,872.40

Finding the Fourth Proportional to 15,451.04, 23,176.20 and 8,872.40

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Solution

The fourth proportional to 15,451.04, 23,176.20 and 8,872.40 is: 13,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.04 : 23,176.20 = 8,872.40 : x
  2. Step 2: Convert to fraction form
    15,451.04/23,176.20 = 8,872.40/x
  3. Step 3: Cross multiply
    15,451.04x = 23,176.20 × 8,872.40
  4. Step 4: Simplify right side
    15,451.04x = 205,628,516.88
  5. Step 5: Solve for x
    x = 205,628,516.88/15,451.04
  6. Step 6: Final answer
    x = 13,308.39

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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.