Home / 11,258.66-15,500.63-9,265.79

Finding the Fourth Proportional to 11,258.66, 15,500.63 and 9,265.79

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Solution

The fourth proportional to 11,258.66, 15,500.63 and 9,265.79 is: 12,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.66 : 15,500.63 = 9,265.79 : x
  2. Step 2: Convert to fraction form
    11,258.66/15,500.63 = 9,265.79/x
  3. Step 3: Cross multiply
    11,258.66x = 15,500.63 × 9,265.79
  4. Step 4: Simplify right side
    11,258.66x = 143,625,644.36
  5. Step 5: Solve for x
    x = 143,625,644.36/11,258.66
  6. Step 6: Final answer
    x = 12,756.90

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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.