Home / 13,250.06-18,265.82-9,258.78

Finding the Fourth Proportional to 13,250.06, 18,265.82 and 9,258.78

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Solution

The fourth proportional to 13,250.06, 18,265.82 and 9,258.78 is: 12,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.06 : 18,265.82 = 9,258.78 : x
  2. Step 2: Convert to fraction form
    13,250.06/18,265.82 = 9,258.78/x
  3. Step 3: Cross multiply
    13,250.06x = 18,265.82 × 9,258.78
  4. Step 4: Simplify right side
    13,250.06x = 169,119,208.90
  5. Step 5: Solve for x
    x = 169,119,208.90/13,250.06
  6. Step 6: Final answer
    x = 12,763.66

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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.