Home / 9,727.12-13,434.60-7,086.32

Finding the Fourth Proportional to 9,727.12, 13,434.60 and 7,086.32

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Solution

The fourth proportional to 9,727.12, 13,434.60 and 7,086.32 is: 9,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,727.12 : 13,434.60 = 7,086.32 : x
  2. Step 2: Convert to fraction form
    9,727.12/13,434.60 = 7,086.32/x
  3. Step 3: Cross multiply
    9,727.12x = 13,434.60 × 7,086.32
  4. Step 4: Simplify right side
    9,727.12x = 95,201,874.67
  5. Step 5: Solve for x
    x = 95,201,874.67/9,727.12
  6. Step 6: Final answer
    x = 9,787.26

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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.