Home / 10,358.20-15,537.30-7,733.80

Finding the Fourth Proportional to 10,358.20, 15,537.30 and 7,733.80

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Solution

The fourth proportional to 10,358.20, 15,537.30 and 7,733.80 is: 11,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.20 : 15,537.30 = 7,733.80 : x
  2. Step 2: Convert to fraction form
    10,358.20/15,537.30 = 7,733.80/x
  3. Step 3: Cross multiply
    10,358.20x = 15,537.30 × 7,733.80
  4. Step 4: Simplify right side
    10,358.20x = 120,162,370.74
  5. Step 5: Solve for x
    x = 120,162,370.74/10,358.20
  6. Step 6: Final answer
    x = 11,600.70

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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.