Home / 38,013.85-57,020.82-11,718.37

Finding the Fourth Proportional to 38,013.85, 57,020.82 and 11,718.37

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Solution

The fourth proportional to 38,013.85, 57,020.82 and 11,718.37 is: 17,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.85 : 57,020.82 = 11,718.37 : x
  2. Step 2: Convert to fraction form
    38,013.85/57,020.82 = 11,718.37/x
  3. Step 3: Cross multiply
    38,013.85x = 57,020.82 × 11,718.37
  4. Step 4: Simplify right side
    38,013.85x = 668,191,066.46
  5. Step 5: Solve for x
    x = 668,191,066.46/38,013.85
  6. Step 6: Final answer
    x = 17,577.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.