Home / 20,208.26-27,888.95-11,713.11

Finding the Fourth Proportional to 20,208.26, 27,888.95 and 11,713.11

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Solution

The fourth proportional to 20,208.26, 27,888.95 and 11,713.11 is: 16,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.26 : 27,888.95 = 11,713.11 : x
  2. Step 2: Convert to fraction form
    20,208.26/27,888.95 = 11,713.11/x
  3. Step 3: Cross multiply
    20,208.26x = 27,888.95 × 11,713.11
  4. Step 4: Simplify right side
    20,208.26x = 326,666,368.42
  5. Step 5: Solve for x
    x = 326,666,368.42/20,208.26
  6. Step 6: Final answer
    x = 16,165.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.