Home / 21,539.06-32,308.55-6,749.11

Finding the Fourth Proportional to 21,539.06, 32,308.55 and 6,749.11

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Solution

The fourth proportional to 21,539.06, 32,308.55 and 6,749.11 is: 10,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.06 : 32,308.55 = 6,749.11 : x
  2. Step 2: Convert to fraction form
    21,539.06/32,308.55 = 6,749.11/x
  3. Step 3: Cross multiply
    21,539.06x = 32,308.55 × 6,749.11
  4. Step 4: Simplify right side
    21,539.06x = 218,053,957.89
  5. Step 5: Solve for x
    x = 218,053,957.89/21,539.06
  6. Step 6: Final answer
    x = 10,123.65

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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.