Home / 21,518.93-32,278.40-6,727.93

Finding the Fourth Proportional to 21,518.93, 32,278.40 and 6,727.93

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Solution

The fourth proportional to 21,518.93, 32,278.40 and 6,727.93 is: 10,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518.93 : 32,278.40 = 6,727.93 : x
  2. Step 2: Convert to fraction form
    21,518.93/32,278.40 = 6,727.93/x
  3. Step 3: Cross multiply
    21,518.93x = 32,278.40 × 6,727.93
  4. Step 4: Simplify right side
    21,518.93x = 217,166,726.61
  5. Step 5: Solve for x
    x = 217,166,726.61/21,518.93
  6. Step 6: Final answer
    x = 10,091.89

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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.