Home / 21,557.18-32,335.80-6,767.24

Finding the Fourth Proportional to 21,557.18, 32,335.80 and 6,767.24

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Solution

The fourth proportional to 21,557.18, 32,335.80 and 6,767.24 is: 10,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557.18 : 32,335.80 = 6,767.24 : x
  2. Step 2: Convert to fraction form
    21,557.18/32,335.80 = 6,767.24/x
  3. Step 3: Cross multiply
    21,557.18x = 32,335.80 × 6,767.24
  4. Step 4: Simplify right side
    21,557.18x = 218,824,119.19
  5. Step 5: Solve for x
    x = 218,824,119.19/21,557.18
  6. Step 6: Final answer
    x = 10,150.87

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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.