Home / 18,823.10-25,976.16-10,326.06

Finding the Fourth Proportional to 18,823.10, 25,976.16 and 10,326.06

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Solution

The fourth proportional to 18,823.10, 25,976.16 and 10,326.06 is: 14,250.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.10 : 25,976.16 = 10,326.06 : x
  2. Step 2: Convert to fraction form
    18,823.10/25,976.16 = 10,326.06/x
  3. Step 3: Cross multiply
    18,823.10x = 25,976.16 × 10,326.06
  4. Step 4: Simplify right side
    18,823.10x = 268,231,386.73
  5. Step 5: Solve for x
    x = 268,231,386.73/18,823.10
  6. Step 6: Final answer
    x = 14,250.12

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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.