Home / 12,860.26-17,747.28-7,555.18

Finding the Fourth Proportional to 12,860.26, 17,747.28 and 7,555.18

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Solution

The fourth proportional to 12,860.26, 17,747.28 and 7,555.18 is: 10,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.26 : 17,747.28 = 7,555.18 : x
  2. Step 2: Convert to fraction form
    12,860.26/17,747.28 = 7,555.18/x
  3. Step 3: Cross multiply
    12,860.26x = 17,747.28 × 7,555.18
  4. Step 4: Simplify right side
    12,860.26x = 134,083,894.91
  5. Step 5: Solve for x
    x = 134,083,894.91/12,860.26
  6. Step 6: Final answer
    x = 10,426.22

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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.