Home / 15,326.88-21,143.15-10,292.53

Finding the Fourth Proportional to 15,326.88, 21,143.15 and 10,292.53

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Solution

The fourth proportional to 15,326.88, 21,143.15 and 10,292.53 is: 14,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.88 : 21,143.15 = 10,292.53 : x
  2. Step 2: Convert to fraction form
    15,326.88/21,143.15 = 10,292.53/x
  3. Step 3: Cross multiply
    15,326.88x = 21,143.15 × 10,292.53
  4. Step 4: Simplify right side
    15,326.88x = 217,616,478.54
  5. Step 5: Solve for x
    x = 217,616,478.54/15,326.88
  6. Step 6: Final answer
    x = 14,198.35

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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.