Home / 21,555.16-32,336.16-6,760.56

Finding the Fourth Proportional to 21,555.16, 32,336.16 and 6,760.56

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Solution

The fourth proportional to 21,555.16, 32,336.16 and 6,760.56 is: 10,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.16 : 32,336.16 = 6,760.56 : x
  2. Step 2: Convert to fraction form
    21,555.16/32,336.16 = 6,760.56/x
  3. Step 3: Cross multiply
    21,555.16x = 32,336.16 × 6,760.56
  4. Step 4: Simplify right side
    21,555.16x = 218,610,683.79
  5. Step 5: Solve for x
    x = 218,610,683.79/21,555.16
  6. Step 6: Final answer
    x = 10,141.92

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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.