Home / 9,045.33-13,629.63-7,437.89

Finding the Fourth Proportional to 9,045.33, 13,629.63 and 7,437.89

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Solution

The fourth proportional to 9,045.33, 13,629.63 and 7,437.89 is: 11,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.33 : 13,629.63 = 7,437.89 : x
  2. Step 2: Convert to fraction form
    9,045.33/13,629.63 = 7,437.89/x
  3. Step 3: Cross multiply
    9,045.33x = 13,629.63 × 7,437.89
  4. Step 4: Simplify right side
    9,045.33x = 101,375,620.53
  5. Step 5: Solve for x
    x = 101,375,620.53/9,045.33
  6. Step 6: Final answer
    x = 11,207.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.