Home / 10,360.60-15,540.90-9,558.70

Finding the Fourth Proportional to 10,360.60, 15,540.90 and 9,558.70

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Solution

The fourth proportional to 10,360.60, 15,540.90 and 9,558.70 is: 14,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.60 : 15,540.90 = 9,558.70 : x
  2. Step 2: Convert to fraction form
    10,360.60/15,540.90 = 9,558.70/x
  3. Step 3: Cross multiply
    10,360.60x = 15,540.90 × 9,558.70
  4. Step 4: Simplify right side
    10,360.60x = 148,550,800.83
  5. Step 5: Solve for x
    x = 148,550,800.83/10,360.60
  6. Step 6: Final answer
    x = 14,338.05

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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.