Home / 10,177.62-15,276.15-6,289.62

Finding the Fourth Proportional to 10,177.62, 15,276.15 and 6,289.62

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Solution

The fourth proportional to 10,177.62, 15,276.15 and 6,289.62 is: 9,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.62 : 15,276.15 = 6,289.62 : x
  2. Step 2: Convert to fraction form
    10,177.62/15,276.15 = 6,289.62/x
  3. Step 3: Cross multiply
    10,177.62x = 15,276.15 × 6,289.62
  4. Step 4: Simplify right side
    10,177.62x = 96,081,178.56
  5. Step 5: Solve for x
    x = 96,081,178.56/10,177.62
  6. Step 6: Final answer
    x = 9,440.44

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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.