Home / 21,677.83-32,519.84-6,686.21

Finding the Fourth Proportional to 21,677.83, 32,519.84 and 6,686.21

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Solution

The fourth proportional to 21,677.83, 32,519.84 and 6,686.21 is: 10,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.83 : 32,519.84 = 6,686.21 : x
  2. Step 2: Convert to fraction form
    21,677.83/32,519.84 = 6,686.21/x
  3. Step 3: Cross multiply
    21,677.83x = 32,519.84 × 6,686.21
  4. Step 4: Simplify right side
    21,677.83x = 217,434,283.38
  5. Step 5: Solve for x
    x = 217,434,283.38/21,677.83
  6. Step 6: Final answer
    x = 10,030.26

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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.