Home / 15,991.28-23,994.66-6,638.48

Finding the Fourth Proportional to 15,991.28, 23,994.66 and 6,638.48

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Solution

The fourth proportional to 15,991.28, 23,994.66 and 6,638.48 is: 9,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.28 : 23,994.66 = 6,638.48 : x
  2. Step 2: Convert to fraction form
    15,991.28/23,994.66 = 6,638.48/x
  3. Step 3: Cross multiply
    15,991.28x = 23,994.66 × 6,638.48
  4. Step 4: Simplify right side
    15,991.28x = 159,288,070.52
  5. Step 5: Solve for x
    x = 159,288,070.52/15,991.28
  6. Step 6: Final answer
    x = 9,960.93

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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.