Home / 10,143.03-15,215.76-3,901.59

Finding the Fourth Proportional to 10,143.03, 15,215.76 and 3,901.59

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Solution

The fourth proportional to 10,143.03, 15,215.76 and 3,901.59 is: 5,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.03 : 15,215.76 = 3,901.59 : x
  2. Step 2: Convert to fraction form
    10,143.03/15,215.76 = 3,901.59/x
  3. Step 3: Cross multiply
    10,143.03x = 15,215.76 × 3,901.59
  4. Step 4: Simplify right side
    10,143.03x = 59,365,657.06
  5. Step 5: Solve for x
    x = 59,365,657.06/10,143.03
  6. Step 6: Final answer
    x = 5,852.85

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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.