Home / 11,525.73-15,901.56-6,989.79

Finding the Fourth Proportional to 11,525.73, 15,901.56 and 6,989.79

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Solution

The fourth proportional to 11,525.73, 15,901.56 and 6,989.79 is: 9,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.73 : 15,901.56 = 6,989.79 : x
  2. Step 2: Convert to fraction form
    11,525.73/15,901.56 = 6,989.79/x
  3. Step 3: Cross multiply
    11,525.73x = 15,901.56 × 6,989.79
  4. Step 4: Simplify right side
    11,525.73x = 111,148,617.93
  5. Step 5: Solve for x
    x = 111,148,617.93/11,525.73
  6. Step 6: Final answer
    x = 9,643.53

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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.