Home / 21,738.86-32,608.32-6,948.96

Finding the Fourth Proportional to 21,738.86, 32,608.32 and 6,948.96

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Solution

The fourth proportional to 21,738.86, 32,608.32 and 6,948.96 is: 10,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.86 : 32,608.32 = 6,948.96 : x
  2. Step 2: Convert to fraction form
    21,738.86/32,608.32 = 6,948.96/x
  3. Step 3: Cross multiply
    21,738.86x = 32,608.32 × 6,948.96
  4. Step 4: Simplify right side
    21,738.86x = 226,594,077.23
  5. Step 5: Solve for x
    x = 226,594,077.23/21,738.86
  6. Step 6: Final answer
    x = 10,423.46

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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.