Home / 9,732.90-13,427.40-7,186.74

Finding the Fourth Proportional to 9,732.90, 13,427.40 and 7,186.74

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Solution

The fourth proportional to 9,732.90, 13,427.40 and 7,186.74 is: 9,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,732.90 : 13,427.40 = 7,186.74 : x
  2. Step 2: Convert to fraction form
    9,732.90/13,427.40 = 7,186.74/x
  3. Step 3: Cross multiply
    9,732.90x = 13,427.40 × 7,186.74
  4. Step 4: Simplify right side
    9,732.90x = 96,499,232.68
  5. Step 5: Solve for x
    x = 96,499,232.68/9,732.90
  6. Step 6: Final answer
    x = 9,914.75

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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.