Home / 10,655.02-15,983.34-5,464.54

Finding the Fourth Proportional to 10,655.02, 15,983.34 and 5,464.54

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Solution

The fourth proportional to 10,655.02, 15,983.34 and 5,464.54 is: 8,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.02 : 15,983.34 = 5,464.54 : x
  2. Step 2: Convert to fraction form
    10,655.02/15,983.34 = 5,464.54/x
  3. Step 3: Cross multiply
    10,655.02x = 15,983.34 × 5,464.54
  4. Step 4: Simplify right side
    10,655.02x = 87,341,600.76
  5. Step 5: Solve for x
    x = 87,341,600.76/10,655.02
  6. Step 6: Final answer
    x = 8,197.23

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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.