Home / 21,995.12-32,990.08-6,201.34

Finding the Fourth Proportional to 21,995.12, 32,990.08 and 6,201.34

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Solution

The fourth proportional to 21,995.12, 32,990.08 and 6,201.34 is: 9,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.12 : 32,990.08 = 6,201.34 : x
  2. Step 2: Convert to fraction form
    21,995.12/32,990.08 = 6,201.34/x
  3. Step 3: Cross multiply
    21,995.12x = 32,990.08 × 6,201.34
  4. Step 4: Simplify right side
    21,995.12x = 204,582,702.71
  5. Step 5: Solve for x
    x = 204,582,702.71/21,995.12
  6. Step 6: Final answer
    x = 9,301.28

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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.