Home / 10,268.64-15,397.20-6,986.16

Finding the Fourth Proportional to 10,268.64, 15,397.20 and 6,986.16

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Solution

The fourth proportional to 10,268.64, 15,397.20 and 6,986.16 is: 10,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.64 : 15,397.20 = 6,986.16 : x
  2. Step 2: Convert to fraction form
    10,268.64/15,397.20 = 6,986.16/x
  3. Step 3: Cross multiply
    10,268.64x = 15,397.20 × 6,986.16
  4. Step 4: Simplify right side
    10,268.64x = 107,567,302.75
  5. Step 5: Solve for x
    x = 107,567,302.75/10,268.64
  6. Step 6: Final answer
    x = 10,475.32

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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.