Home / 17,601.28-26,405.36-7,740.53

Finding the Fourth Proportional to 17,601.28, 26,405.36 and 7,740.53

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Solution

The fourth proportional to 17,601.28, 26,405.36 and 7,740.53 is: 11,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.28 : 26,405.36 = 7,740.53 : x
  2. Step 2: Convert to fraction form
    17,601.28/26,405.36 = 7,740.53/x
  3. Step 3: Cross multiply
    17,601.28x = 26,405.36 × 7,740.53
  4. Step 4: Simplify right side
    17,601.28x = 204,391,310.51
  5. Step 5: Solve for x
    x = 204,391,310.51/17,601.28
  6. Step 6: Final answer
    x = 11,612.30

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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.