Home / 13,144.23-19,712.10-4,376.79

Finding the Fourth Proportional to 13,144.23, 19,712.10 and 4,376.79

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Solution

The fourth proportional to 13,144.23, 19,712.10 and 4,376.79 is: 6,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.23 : 19,712.10 = 4,376.79 : x
  2. Step 2: Convert to fraction form
    13,144.23/19,712.10 = 4,376.79/x
  3. Step 3: Cross multiply
    13,144.23x = 19,712.10 × 4,376.79
  4. Step 4: Simplify right side
    13,144.23x = 86,275,722.16
  5. Step 5: Solve for x
    x = 86,275,722.16/13,144.23
  6. Step 6: Final answer
    x = 6,563.77

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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.