Home / 21,743.12-32,601.56-11,868.68

Finding the Fourth Proportional to 21,743.12, 32,601.56 and 11,868.68

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Solution

The fourth proportional to 21,743.12, 32,601.56 and 11,868.68 is: 17,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743.12 : 32,601.56 = 11,868.68 : x
  2. Step 2: Convert to fraction form
    21,743.12/32,601.56 = 11,868.68/x
  3. Step 3: Cross multiply
    21,743.12x = 32,601.56 × 11,868.68
  4. Step 4: Simplify right side
    21,743.12x = 386,937,483.14
  5. Step 5: Solve for x
    x = 386,937,483.14/21,743.12
  6. Step 6: Final answer
    x = 17,795.86

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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.