Home / 14,721.29-20,317.35-8,350.19

Finding the Fourth Proportional to 14,721.29, 20,317.35 and 8,350.19

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Solution

The fourth proportional to 14,721.29, 20,317.35 and 8,350.19 is: 11,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.29 : 20,317.35 = 8,350.19 : x
  2. Step 2: Convert to fraction form
    14,721.29/20,317.35 = 8,350.19/x
  3. Step 3: Cross multiply
    14,721.29x = 20,317.35 × 8,350.19
  4. Step 4: Simplify right side
    14,721.29x = 169,653,691.74
  5. Step 5: Solve for x
    x = 169,653,691.74/14,721.29
  6. Step 6: Final answer
    x = 11,524.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.