Home / 13,086.27-19,626.66-4,319.19

Finding the Fourth Proportional to 13,086.27, 19,626.66 and 4,319.19

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Solution

The fourth proportional to 13,086.27, 19,626.66 and 4,319.19 is: 6,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.27 : 19,626.66 = 4,319.19 : x
  2. Step 2: Convert to fraction form
    13,086.27/19,626.66 = 4,319.19/x
  3. Step 3: Cross multiply
    13,086.27x = 19,626.66 × 4,319.19
  4. Step 4: Simplify right side
    13,086.27x = 84,771,273.61
  5. Step 5: Solve for x
    x = 84,771,273.61/13,086.27
  6. Step 6: Final answer
    x = 6,477.88

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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.