Home / 18,148.38-25,047.03-11,075.10

Finding the Fourth Proportional to 18,148.38, 25,047.03 and 11,075.10

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Solution

The fourth proportional to 18,148.38, 25,047.03 and 11,075.10 is: 15,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.38 : 25,047.03 = 11,075.10 : x
  2. Step 2: Convert to fraction form
    18,148.38/25,047.03 = 11,075.10/x
  3. Step 3: Cross multiply
    18,148.38x = 25,047.03 × 11,075.10
  4. Step 4: Simplify right side
    18,148.38x = 277,398,361.95
  5. Step 5: Solve for x
    x = 277,398,361.95/18,148.38
  6. Step 6: Final answer
    x = 15,285.02

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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.