Home / 13,178.23-19,767.34-5,387.04

Finding the Fourth Proportional to 13,178.23, 19,767.34 and 5,387.04

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Solution

The fourth proportional to 13,178.23, 19,767.34 and 5,387.04 is: 8,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.23 : 19,767.34 = 5,387.04 : x
  2. Step 2: Convert to fraction form
    13,178.23/19,767.34 = 5,387.04/x
  3. Step 3: Cross multiply
    13,178.23x = 19,767.34 × 5,387.04
  4. Step 4: Simplify right side
    13,178.23x = 106,487,458.01
  5. Step 5: Solve for x
    x = 106,487,458.01/13,178.23
  6. Step 6: Final answer
    x = 8,080.56

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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.