Home / 10,548.18-15,822.66-2,756.76

Finding the Fourth Proportional to 10,548.18, 15,822.66 and 2,756.76

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Solution

The fourth proportional to 10,548.18, 15,822.66 and 2,756.76 is: 4,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.18 : 15,822.66 = 2,756.76 : x
  2. Step 2: Convert to fraction form
    10,548.18/15,822.66 = 2,756.76/x
  3. Step 3: Cross multiply
    10,548.18x = 15,822.66 × 2,756.76
  4. Step 4: Simplify right side
    10,548.18x = 43,619,276.18
  5. Step 5: Solve for x
    x = 43,619,276.18/10,548.18
  6. Step 6: Final answer
    x = 4,135.24

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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.