Home / 21,421.56-32,133.96-6,632.04

Finding the Fourth Proportional to 21,421.56, 32,133.96 and 6,632.04

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Solution

The fourth proportional to 21,421.56, 32,133.96 and 6,632.04 is: 9,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421.56 : 32,133.96 = 6,632.04 : x
  2. Step 2: Convert to fraction form
    21,421.56/32,133.96 = 6,632.04/x
  3. Step 3: Cross multiply
    21,421.56x = 32,133.96 × 6,632.04
  4. Step 4: Simplify right side
    21,421.56x = 213,113,708.08
  5. Step 5: Solve for x
    x = 213,113,708.08/21,421.56
  6. Step 6: Final answer
    x = 9,948.56

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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.