Home / 10,247.50-15,370.98-2,851.66

Finding the Fourth Proportional to 10,247.50, 15,370.98 and 2,851.66

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Solution

The fourth proportional to 10,247.50, 15,370.98 and 2,851.66 is: 4,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.50 : 15,370.98 = 2,851.66 : x
  2. Step 2: Convert to fraction form
    10,247.50/15,370.98 = 2,851.66/x
  3. Step 3: Cross multiply
    10,247.50x = 15,370.98 × 2,851.66
  4. Step 4: Simplify right side
    10,247.50x = 43,832,808.83
  5. Step 5: Solve for x
    x = 43,832,808.83/10,247.50
  6. Step 6: Final answer
    x = 4,277.41

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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.