Home / 13,237.76-18,268.23-7,269.55

Finding the Fourth Proportional to 13,237.76, 18,268.23 and 7,269.55

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Solution

The fourth proportional to 13,237.76, 18,268.23 and 7,269.55 is: 10,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.76 : 18,268.23 = 7,269.55 : x
  2. Step 2: Convert to fraction form
    13,237.76/18,268.23 = 7,269.55/x
  3. Step 3: Cross multiply
    13,237.76x = 18,268.23 × 7,269.55
  4. Step 4: Simplify right side
    13,237.76x = 132,801,834.23
  5. Step 5: Solve for x
    x = 132,801,834.23/13,237.76
  6. Step 6: Final answer
    x = 10,032.05

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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.