Home / 9,617.68-13,272.40-5,425.94

Finding the Fourth Proportional to 9,617.68, 13,272.40 and 5,425.94

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Solution

The fourth proportional to 9,617.68, 13,272.40 and 5,425.94 is: 7,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.68 : 13,272.40 = 5,425.94 : x
  2. Step 2: Convert to fraction form
    9,617.68/13,272.40 = 5,425.94/x
  3. Step 3: Cross multiply
    9,617.68x = 13,272.40 × 5,425.94
  4. Step 4: Simplify right side
    9,617.68x = 72,015,246.06
  5. Step 5: Solve for x
    x = 72,015,246.06/9,617.68
  6. Step 6: Final answer
    x = 7,487.80

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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.