Home / 9,741.96-13,445.14-6,387.60

Finding the Fourth Proportional to 9,741.96, 13,445.14 and 6,387.60

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Solution

The fourth proportional to 9,741.96, 13,445.14 and 6,387.60 is: 8,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,741.96 : 13,445.14 = 6,387.60 : x
  2. Step 2: Convert to fraction form
    9,741.96/13,445.14 = 6,387.60/x
  3. Step 3: Cross multiply
    9,741.96x = 13,445.14 × 6,387.60
  4. Step 4: Simplify right side
    9,741.96x = 85,882,176.26
  5. Step 5: Solve for x
    x = 85,882,176.26/9,741.96
  6. Step 6: Final answer
    x = 8,815.70

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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.