Home / 18,719.98-25,833.54-10,336.48

Finding the Fourth Proportional to 18,719.98, 25,833.54 and 10,336.48

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Solution

The fourth proportional to 18,719.98, 25,833.54 and 10,336.48 is: 14,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719.98 : 25,833.54 = 10,336.48 : x
  2. Step 2: Convert to fraction form
    18,719.98/25,833.54 = 10,336.48/x
  3. Step 3: Cross multiply
    18,719.98x = 25,833.54 × 10,336.48
  4. Step 4: Simplify right side
    18,719.98x = 267,027,869.54
  5. Step 5: Solve for x
    x = 267,027,869.54/18,719.98
  6. Step 6: Final answer
    x = 14,264.32

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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.