Home / 21,681.10-32,514.73-6,886.56

Finding the Fourth Proportional to 21,681.10, 32,514.73 and 6,886.56

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Solution

The fourth proportional to 21,681.10, 32,514.73 and 6,886.56 is: 10,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.10 : 32,514.73 = 6,886.56 : x
  2. Step 2: Convert to fraction form
    21,681.10/32,514.73 = 6,886.56/x
  3. Step 3: Cross multiply
    21,681.10x = 32,514.73 × 6,886.56
  4. Step 4: Simplify right side
    21,681.10x = 223,914,476.46
  5. Step 5: Solve for x
    x = 223,914,476.46/21,681.10
  6. Step 6: Final answer
    x = 10,327.63

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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.