Home / 11,015.28-16,493.40-9,265.68

Finding the Fourth Proportional to 11,015.28, 16,493.40 and 9,265.68

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Solution

The fourth proportional to 11,015.28, 16,493.40 and 9,265.68 is: 13,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.28 : 16,493.40 = 9,265.68 : x
  2. Step 2: Convert to fraction form
    11,015.28/16,493.40 = 9,265.68/x
  3. Step 3: Cross multiply
    11,015.28x = 16,493.40 × 9,265.68
  4. Step 4: Simplify right side
    11,015.28x = 152,822,566.51
  5. Step 5: Solve for x
    x = 152,822,566.51/11,015.28
  6. Step 6: Final answer
    x = 13,873.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.