Home / 13,237.40-18,269.12-7,269.62

Finding the Fourth Proportional to 13,237.40, 18,269.12 and 7,269.62

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Solution

The fourth proportional to 13,237.40, 18,269.12 and 7,269.62 is: 10,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.40 : 18,269.12 = 7,269.62 : x
  2. Step 2: Convert to fraction form
    13,237.40/18,269.12 = 7,269.62/x
  3. Step 3: Cross multiply
    13,237.40x = 18,269.12 × 7,269.62
  4. Step 4: Simplify right side
    13,237.40x = 132,809,486.96
  5. Step 5: Solve for x
    x = 132,809,486.96/13,237.40
  6. Step 6: Final answer
    x = 10,032.90

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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.