Home / 21,966.15-32,971.10-12,110.07

Finding the Fourth Proportional to 21,966.15, 32,971.10 and 12,110.07

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Solution

The fourth proportional to 21,966.15, 32,971.10 and 12,110.07 is: 18,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.15 : 32,971.10 = 12,110.07 : x
  2. Step 2: Convert to fraction form
    21,966.15/32,971.10 = 12,110.07/x
  3. Step 3: Cross multiply
    21,966.15x = 32,971.10 × 12,110.07
  4. Step 4: Simplify right side
    21,966.15x = 399,282,268.43
  5. Step 5: Solve for x
    x = 399,282,268.43/21,966.15
  6. Step 6: Final answer
    x = 18,177.16

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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.