Home / 11,277.11-15,525.99-9,284.10

Finding the Fourth Proportional to 11,277.11, 15,525.99 and 9,284.10

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Solution

The fourth proportional to 11,277.11, 15,525.99 and 9,284.10 is: 12,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.11 : 15,525.99 = 9,284.10 : x
  2. Step 2: Convert to fraction form
    11,277.11/15,525.99 = 9,284.10/x
  3. Step 3: Cross multiply
    11,277.11x = 15,525.99 × 9,284.10
  4. Step 4: Simplify right side
    11,277.11x = 144,144,843.76
  5. Step 5: Solve for x
    x = 144,144,843.76/11,277.11
  6. Step 6: Final answer
    x = 12,782.08

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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.