Home / 9,849.60-14,785.20-5,475.60

Finding the Fourth Proportional to 9,849.60, 14,785.20 and 5,475.60

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Solution

The fourth proportional to 9,849.60, 14,785.20 and 5,475.60 is: 8,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,849.60 : 14,785.20 = 5,475.60 : x
  2. Step 2: Convert to fraction form
    9,849.60/14,785.20 = 5,475.60/x
  3. Step 3: Cross multiply
    9,849.60x = 14,785.20 × 5,475.60
  4. Step 4: Simplify right side
    9,849.60x = 80,957,841.12
  5. Step 5: Solve for x
    x = 80,957,841.12/9,849.60
  6. Step 6: Final answer
    x = 8,219.40

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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.