Home / 18,729.26-25,846.30-10,345.76

Finding the Fourth Proportional to 18,729.26, 25,846.30 and 10,345.76

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Solution

The fourth proportional to 18,729.26, 25,846.30 and 10,345.76 is: 14,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.26 : 25,846.30 = 10,345.76 : x
  2. Step 2: Convert to fraction form
    18,729.26/25,846.30 = 10,345.76/x
  3. Step 3: Cross multiply
    18,729.26x = 25,846.30 × 10,345.76
  4. Step 4: Simplify right side
    18,729.26x = 267,399,616.69
  5. Step 5: Solve for x
    x = 267,399,616.69/18,729.26
  6. Step 6: Final answer
    x = 14,277.11

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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.