Home / 10,318.80-15,468.60-8,096.40

Finding the Fourth Proportional to 10,318.80, 15,468.60 and 8,096.40

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Solution

The fourth proportional to 10,318.80, 15,468.60 and 8,096.40 is: 12,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.80 : 15,468.60 = 8,096.40 : x
  2. Step 2: Convert to fraction form
    10,318.80/15,468.60 = 8,096.40/x
  3. Step 3: Cross multiply
    10,318.80x = 15,468.60 × 8,096.40
  4. Step 4: Simplify right side
    10,318.80x = 125,239,973.04
  5. Step 5: Solve for x
    x = 125,239,973.04/10,318.80
  6. Step 6: Final answer
    x = 12,137.07

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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.