Home / 10,263.31-15,387.77-5,253.36

Finding the Fourth Proportional to 10,263.31, 15,387.77 and 5,253.36

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Solution

The fourth proportional to 10,263.31, 15,387.77 and 5,253.36 is: 7,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.31 : 15,387.77 = 5,253.36 : x
  2. Step 2: Convert to fraction form
    10,263.31/15,387.77 = 5,253.36/x
  3. Step 3: Cross multiply
    10,263.31x = 15,387.77 × 5,253.36
  4. Step 4: Simplify right side
    10,263.31x = 80,837,450.84
  5. Step 5: Solve for x
    x = 80,837,450.84/10,263.31
  6. Step 6: Final answer
    x = 7,876.35

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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.