Home / 15,494.37-21,407.28-10,799.61

Finding the Fourth Proportional to 15,494.37, 21,407.28 and 10,799.61

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Solution

The fourth proportional to 15,494.37, 21,407.28 and 10,799.61 is: 14,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,494.37 : 21,407.28 = 10,799.61 : x
  2. Step 2: Convert to fraction form
    15,494.37/21,407.28 = 10,799.61/x
  3. Step 3: Cross multiply
    15,494.37x = 21,407.28 × 10,799.61
  4. Step 4: Simplify right side
    15,494.37x = 231,190,275.16
  5. Step 5: Solve for x
    x = 231,190,275.16/15,494.37
  6. Step 6: Final answer
    x = 14,920.92

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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.