Home / 17,918.56-26,877.36-4,771.04

Finding the Fourth Proportional to 17,918.56, 26,877.36 and 4,771.04

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Solution

The fourth proportional to 17,918.56, 26,877.36 and 4,771.04 is: 7,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.56 : 26,877.36 = 4,771.04 : x
  2. Step 2: Convert to fraction form
    17,918.56/26,877.36 = 4,771.04/x
  3. Step 3: Cross multiply
    17,918.56x = 26,877.36 × 4,771.04
  4. Step 4: Simplify right side
    17,918.56x = 128,232,959.65
  5. Step 5: Solve for x
    x = 128,232,959.65/17,918.56
  6. Step 6: Final answer
    x = 7,156.43

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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.