Home / 9,742.96-13,446.52-6,388.60

Finding the Fourth Proportional to 9,742.96, 13,446.52 and 6,388.60

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Solution

The fourth proportional to 9,742.96, 13,446.52 and 6,388.60 is: 8,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.96 : 13,446.52 = 6,388.60 : x
  2. Step 2: Convert to fraction form
    9,742.96/13,446.52 = 6,388.60/x
  3. Step 3: Cross multiply
    9,742.96x = 13,446.52 × 6,388.60
  4. Step 4: Simplify right side
    9,742.96x = 85,904,437.67
  5. Step 5: Solve for x
    x = 85,904,437.67/9,742.96
  6. Step 6: Final answer
    x = 8,817.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.