Home / 10,655.04-15,989.84-5,464.56

Finding the Fourth Proportional to 10,655.04, 15,989.84 and 5,464.56

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Solution

The fourth proportional to 10,655.04, 15,989.84 and 5,464.56 is: 8,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.04 : 15,989.84 = 5,464.56 : x
  2. Step 2: Convert to fraction form
    10,655.04/15,989.84 = 5,464.56/x
  3. Step 3: Cross multiply
    10,655.04x = 15,989.84 × 5,464.56
  4. Step 4: Simplify right side
    10,655.04x = 87,377,440.07
  5. Step 5: Solve for x
    x = 87,377,440.07/10,655.04
  6. Step 6: Final answer
    x = 8,200.57

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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.