Home / 17,877.72-26,816.92-6,191.32

Finding the Fourth Proportional to 17,877.72, 26,816.92 and 6,191.32

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Solution

The fourth proportional to 17,877.72, 26,816.92 and 6,191.32 is: 9,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877.72 : 26,816.92 = 6,191.32 : x
  2. Step 2: Convert to fraction form
    17,877.72/26,816.92 = 6,191.32/x
  3. Step 3: Cross multiply
    17,877.72x = 26,816.92 × 6,191.32
  4. Step 4: Simplify right side
    17,877.72x = 166,032,133.13
  5. Step 5: Solve for x
    x = 166,032,133.13/17,877.72
  6. Step 6: Final answer
    x = 9,287.10

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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.