Home / 8,675.16-13,013.37-7,642.31

Finding the Fourth Proportional to 8,675.16, 13,013.37 and 7,642.31

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Solution

The fourth proportional to 8,675.16, 13,013.37 and 7,642.31 is: 11,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.16 : 13,013.37 = 7,642.31 : x
  2. Step 2: Convert to fraction form
    8,675.16/13,013.37 = 7,642.31/x
  3. Step 3: Cross multiply
    8,675.16x = 13,013.37 × 7,642.31
  4. Step 4: Simplify right side
    8,675.16x = 99,452,142.62
  5. Step 5: Solve for x
    x = 99,452,142.62/8,675.16
  6. Step 6: Final answer
    x = 11,464.02

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1.5x scale

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.