Home / 13,233.85-18,263.37-7,265.47

Finding the Fourth Proportional to 13,233.85, 18,263.37 and 7,265.47

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Solution

The fourth proportional to 13,233.85, 18,263.37 and 7,265.47 is: 10,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.85 : 18,263.37 = 7,265.47 : x
  2. Step 2: Convert to fraction form
    13,233.85/18,263.37 = 7,265.47/x
  3. Step 3: Cross multiply
    13,233.85x = 18,263.37 × 7,265.47
  4. Step 4: Simplify right side
    13,233.85x = 132,691,966.83
  5. Step 5: Solve for x
    x = 132,691,966.83/13,233.85
  6. Step 6: Final answer
    x = 10,026.71

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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.