Home / 13,233.05-18,261.80-7,265.25

Finding the Fourth Proportional to 13,233.05, 18,261.80 and 7,265.25

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Solution

The fourth proportional to 13,233.05, 18,261.80 and 7,265.25 is: 10,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.05 : 18,261.80 = 7,265.25 : x
  2. Step 2: Convert to fraction form
    13,233.05/18,261.80 = 7,265.25/x
  3. Step 3: Cross multiply
    13,233.05x = 18,261.80 × 7,265.25
  4. Step 4: Simplify right side
    13,233.05x = 132,676,506.12
  5. Step 5: Solve for x
    x = 132,676,506.12/13,233.05
  6. Step 6: Final answer
    x = 10,026.15

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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.