Home / 13,237.95-18,268.68-7,269.27

Finding the Fourth Proportional to 13,237.95, 18,268.68 and 7,269.27

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Solution

The fourth proportional to 13,237.95, 18,268.68 and 7,269.27 is: 10,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.95 : 18,268.68 = 7,269.27 : x
  2. Step 2: Convert to fraction form
    13,237.95/18,268.68 = 7,269.27/x
  3. Step 3: Cross multiply
    13,237.95x = 18,268.68 × 7,269.27
  4. Step 4: Simplify right side
    13,237.95x = 132,799,967.46
  5. Step 5: Solve for x
    x = 132,799,967.46/13,237.95
  6. Step 6: Final answer
    x = 10,031.76

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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.