Home / 10,510.63-15,751.36-5,310.43

Finding the Fourth Proportional to 10,510.63, 15,751.36 and 5,310.43

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Solution

The fourth proportional to 10,510.63, 15,751.36 and 5,310.43 is: 7,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.63 : 15,751.36 = 5,310.43 : x
  2. Step 2: Convert to fraction form
    10,510.63/15,751.36 = 5,310.43/x
  3. Step 3: Cross multiply
    10,510.63x = 15,751.36 × 5,310.43
  4. Step 4: Simplify right side
    10,510.63x = 83,646,494.68
  5. Step 5: Solve for x
    x = 83,646,494.68/10,510.63
  6. Step 6: Final answer
    x = 7,958.28

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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.