Home / 21,591.89-32,387.90-6,009.51

Finding the Fourth Proportional to 21,591.89, 32,387.90 and 6,009.51

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Solution

The fourth proportional to 21,591.89, 32,387.90 and 6,009.51 is: 9,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.89 : 32,387.90 = 6,009.51 : x
  2. Step 2: Convert to fraction form
    21,591.89/32,387.90 = 6,009.51/x
  3. Step 3: Cross multiply
    21,591.89x = 32,387.90 × 6,009.51
  4. Step 4: Simplify right side
    21,591.89x = 194,635,378.88
  5. Step 5: Solve for x
    x = 194,635,378.88/21,591.89
  6. Step 6: Final answer
    x = 9,014.28

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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.