Home / 16,888.40-23,316.49-11,723.64

Finding the Fourth Proportional to 16,888.40, 23,316.49 and 11,723.64

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Solution

The fourth proportional to 16,888.40, 23,316.49 and 11,723.64 is: 16,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.40 : 23,316.49 = 11,723.64 : x
  2. Step 2: Convert to fraction form
    16,888.40/23,316.49 = 11,723.64/x
  3. Step 3: Cross multiply
    16,888.40x = 23,316.49 × 11,723.64
  4. Step 4: Simplify right side
    16,888.40x = 273,354,062.04
  5. Step 5: Solve for x
    x = 273,354,062.04/16,888.40
  6. Step 6: Final answer
    x = 16,185.91

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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.