Home / 21,632.55-32,452.20-6,840.06

Finding the Fourth Proportional to 21,632.55, 32,452.20 and 6,840.06

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Solution

The fourth proportional to 21,632.55, 32,452.20 and 6,840.06 is: 10,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.55 : 32,452.20 = 6,840.06 : x
  2. Step 2: Convert to fraction form
    21,632.55/32,452.20 = 6,840.06/x
  3. Step 3: Cross multiply
    21,632.55x = 32,452.20 × 6,840.06
  4. Step 4: Simplify right side
    21,632.55x = 221,974,995.13
  5. Step 5: Solve for x
    x = 221,974,995.13/21,632.55
  6. Step 6: Final answer
    x = 10,261.16

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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.