Home / 21,803.28-32,710.80-6,221.04

Finding the Fourth Proportional to 21,803.28, 32,710.80 and 6,221.04

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Solution

The fourth proportional to 21,803.28, 32,710.80 and 6,221.04 is: 9,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803.28 : 32,710.80 = 6,221.04 : x
  2. Step 2: Convert to fraction form
    21,803.28/32,710.80 = 6,221.04/x
  3. Step 3: Cross multiply
    21,803.28x = 32,710.80 × 6,221.04
  4. Step 4: Simplify right side
    21,803.28x = 203,495,195.23
  5. Step 5: Solve for x
    x = 203,495,195.23/21,803.28
  6. Step 6: Final answer
    x = 9,333.24

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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.