Home / 13,054.24-19,570.29-4,286.80

Finding the Fourth Proportional to 13,054.24, 19,570.29 and 4,286.80

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Solution

The fourth proportional to 13,054.24, 19,570.29 and 4,286.80 is: 6,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.24 : 19,570.29 = 4,286.80 : x
  2. Step 2: Convert to fraction form
    13,054.24/19,570.29 = 4,286.80/x
  3. Step 3: Cross multiply
    13,054.24x = 19,570.29 × 4,286.80
  4. Step 4: Simplify right side
    13,054.24x = 83,893,919.17
  5. Step 5: Solve for x
    x = 83,893,919.17/13,054.24
  6. Step 6: Final answer
    x = 6,426.56

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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.