Home / 13,437.73-18,543.94-7,469.25

Finding the Fourth Proportional to 13,437.73, 18,543.94 and 7,469.25

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Solution

The fourth proportional to 13,437.73, 18,543.94 and 7,469.25 is: 10,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.73 : 18,543.94 = 7,469.25 : x
  2. Step 2: Convert to fraction form
    13,437.73/18,543.94 = 7,469.25/x
  3. Step 3: Cross multiply
    13,437.73x = 18,543.94 × 7,469.25
  4. Step 4: Simplify right side
    13,437.73x = 138,509,323.85
  5. Step 5: Solve for x
    x = 138,509,323.85/13,437.73
  6. Step 6: Final answer
    x = 10,307.49

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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.