Home / 17,757.79-26,641.15-5,107.57

Finding the Fourth Proportional to 17,757.79, 26,641.15 and 5,107.57

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Solution

The fourth proportional to 17,757.79, 26,641.15 and 5,107.57 is: 7,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.79 : 26,641.15 = 5,107.57 : x
  2. Step 2: Convert to fraction form
    17,757.79/26,641.15 = 5,107.57/x
  3. Step 3: Cross multiply
    17,757.79x = 26,641.15 × 5,107.57
  4. Step 4: Simplify right side
    17,757.79x = 136,071,459.13
  5. Step 5: Solve for x
    x = 136,071,459.13/17,757.79
  6. Step 6: Final answer
    x = 7,662.64

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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.