Home / 18,130.32-25,020.09-10,959.26

Finding the Fourth Proportional to 18,130.32, 25,020.09 and 10,959.26

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Solution

The fourth proportional to 18,130.32, 25,020.09 and 10,959.26 is: 15,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.32 : 25,020.09 = 10,959.26 : x
  2. Step 2: Convert to fraction form
    18,130.32/25,020.09 = 10,959.26/x
  3. Step 3: Cross multiply
    18,130.32x = 25,020.09 × 10,959.26
  4. Step 4: Simplify right side
    18,130.32x = 274,201,546.43
  5. Step 5: Solve for x
    x = 274,201,546.43/18,130.32
  6. Step 6: Final answer
    x = 15,123.92

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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.