Home / 13,237.01-18,267.38-7,269.11

Finding the Fourth Proportional to 13,237.01, 18,267.38 and 7,269.11

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Solution

The fourth proportional to 13,237.01, 18,267.38 and 7,269.11 is: 10,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.01 : 18,267.38 = 7,269.11 : x
  2. Step 2: Convert to fraction form
    13,237.01/18,267.38 = 7,269.11/x
  3. Step 3: Cross multiply
    13,237.01x = 18,267.38 × 7,269.11
  4. Step 4: Simplify right side
    13,237.01x = 132,787,466.95
  5. Step 5: Solve for x
    x = 132,787,466.95/13,237.01
  6. Step 6: Final answer
    x = 10,031.53

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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.