Home / 10,461.12-14,435.52-5,745.66

Finding the Fourth Proportional to 10,461.12, 14,435.52 and 5,745.66

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Solution

The fourth proportional to 10,461.12, 14,435.52 and 5,745.66 is: 7,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.12 : 14,435.52 = 5,745.66 : x
  2. Step 2: Convert to fraction form
    10,461.12/14,435.52 = 5,745.66/x
  3. Step 3: Cross multiply
    10,461.12x = 14,435.52 × 5,745.66
  4. Step 4: Simplify right side
    10,461.12x = 82,941,589.84
  5. Step 5: Solve for x
    x = 82,941,589.84/10,461.12
  6. Step 6: Final answer
    x = 7,928.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.