Home / 13,716.29-20,570.36-5,818.71

Finding the Fourth Proportional to 13,716.29, 20,570.36 and 5,818.71

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Solution

The fourth proportional to 13,716.29, 20,570.36 and 5,818.71 is: 8,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.29 : 20,570.36 = 5,818.71 : x
  2. Step 2: Convert to fraction form
    13,716.29/20,570.36 = 5,818.71/x
  3. Step 3: Cross multiply
    13,716.29x = 20,570.36 × 5,818.71
  4. Step 4: Simplify right side
    13,716.29x = 119,692,949.63
  5. Step 5: Solve for x
    x = 119,692,949.63/13,716.29
  6. Step 6: Final answer
    x = 8,726.34

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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.