Home / 13,237.57-18,268.07-7,269.49

Finding the Fourth Proportional to 13,237.57, 18,268.07 and 7,269.49

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Solution

The fourth proportional to 13,237.57, 18,268.07 and 7,269.49 is: 10,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.57 : 18,268.07 = 7,269.49 : x
  2. Step 2: Convert to fraction form
    13,237.57/18,268.07 = 7,269.49/x
  3. Step 3: Cross multiply
    13,237.57x = 18,268.07 × 7,269.49
  4. Step 4: Simplify right side
    13,237.57x = 132,799,424.50
  5. Step 5: Solve for x
    x = 132,799,424.50/13,237.57
  6. Step 6: Final answer
    x = 10,032.01

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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.