Home / 9,675.05-13,348.44-5,425.52

Finding the Fourth Proportional to 9,675.05, 13,348.44 and 5,425.52

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Solution

The fourth proportional to 9,675.05, 13,348.44 and 5,425.52 is: 7,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,675.05 : 13,348.44 = 5,425.52 : x
  2. Step 2: Convert to fraction form
    9,675.05/13,348.44 = 5,425.52/x
  3. Step 3: Cross multiply
    9,675.05x = 13,348.44 × 5,425.52
  4. Step 4: Simplify right side
    9,675.05x = 72,422,228.19
  5. Step 5: Solve for x
    x = 72,422,228.19/9,675.05
  6. Step 6: Final answer
    x = 7,485.46

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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.