Home / 10,247.13-15,370.81-2,852.15

Finding the Fourth Proportional to 10,247.13, 15,370.81 and 2,852.15

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Solution

The fourth proportional to 10,247.13, 15,370.81 and 2,852.15 is: 4,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.13 : 15,370.81 = 2,852.15 : x
  2. Step 2: Convert to fraction form
    10,247.13/15,370.81 = 2,852.15/x
  3. Step 3: Cross multiply
    10,247.13x = 15,370.81 × 2,852.15
  4. Step 4: Simplify right side
    10,247.13x = 43,839,771.76
  5. Step 5: Solve for x
    x = 43,839,771.76/10,247.13
  6. Step 6: Final answer
    x = 4,278.25

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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.