Home / 11,525.76-15,904.08-6,808.32

Finding the Fourth Proportional to 11,525.76, 15,904.08 and 6,808.32

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Solution

The fourth proportional to 11,525.76, 15,904.08 and 6,808.32 is: 9,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.76 : 15,904.08 = 6,808.32 : x
  2. Step 2: Convert to fraction form
    11,525.76/15,904.08 = 6,808.32/x
  3. Step 3: Cross multiply
    11,525.76x = 15,904.08 × 6,808.32
  4. Step 4: Simplify right side
    11,525.76x = 108,280,065.95
  5. Step 5: Solve for x
    x = 108,280,065.95/11,525.76
  6. Step 6: Final answer
    x = 9,394.61

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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.