Home / 10,031.33-15,047.84-3,454.85

Finding the Fourth Proportional to 10,031.33, 15,047.84 and 3,454.85

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Solution

The fourth proportional to 10,031.33, 15,047.84 and 3,454.85 is: 5,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.33 : 15,047.84 = 3,454.85 : x
  2. Step 2: Convert to fraction form
    10,031.33/15,047.84 = 3,454.85/x
  3. Step 3: Cross multiply
    10,031.33x = 15,047.84 × 3,454.85
  4. Step 4: Simplify right side
    10,031.33x = 51,988,030.02
  5. Step 5: Solve for x
    x = 51,988,030.02/10,031.33
  6. Step 6: Final answer
    x = 5,182.57

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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.