Home / 21,769.50-32,658.95-6,776.33

Finding the Fourth Proportional to 21,769.50, 32,658.95 and 6,776.33

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Solution

The fourth proportional to 21,769.50, 32,658.95 and 6,776.33 is: 10,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.50 : 32,658.95 = 6,776.33 : x
  2. Step 2: Convert to fraction form
    21,769.50/32,658.95 = 6,776.33/x
  3. Step 3: Cross multiply
    21,769.50x = 32,658.95 × 6,776.33
  4. Step 4: Simplify right side
    21,769.50x = 221,307,625.48
  5. Step 5: Solve for x
    x = 221,307,625.48/21,769.50
  6. Step 6: Final answer
    x = 10,165.95

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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.