Home / 18,710.29-25,820.22-10,326.79

Finding the Fourth Proportional to 18,710.29, 25,820.22 and 10,326.79

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Solution

The fourth proportional to 18,710.29, 25,820.22 and 10,326.79 is: 14,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.29 : 25,820.22 = 10,326.79 : x
  2. Step 2: Convert to fraction form
    18,710.29/25,820.22 = 10,326.79/x
  3. Step 3: Cross multiply
    18,710.29x = 25,820.22 × 10,326.79
  4. Step 4: Simplify right side
    18,710.29x = 266,639,989.69
  5. Step 5: Solve for x
    x = 266,639,989.69/18,710.29
  6. Step 6: Final answer
    x = 14,250.98

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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.