Home / 17,390.90-26,080.16-6,294.71

Finding the Fourth Proportional to 17,390.90, 26,080.16 and 6,294.71

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Solution

The fourth proportional to 17,390.90, 26,080.16 and 6,294.71 is: 9,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.90 : 26,080.16 = 6,294.71 : x
  2. Step 2: Convert to fraction form
    17,390.90/26,080.16 = 6,294.71/x
  3. Step 3: Cross multiply
    17,390.90x = 26,080.16 × 6,294.71
  4. Step 4: Simplify right side
    17,390.90x = 164,167,012.48
  5. Step 5: Solve for x
    x = 164,167,012.48/17,390.90
  6. Step 6: Final answer
    x = 9,439.82

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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.