Home / 14,350.82-19,802.81-8,299.51

Finding the Fourth Proportional to 14,350.82, 19,802.81 and 8,299.51

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Solution

The fourth proportional to 14,350.82, 19,802.81 and 8,299.51 is: 11,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.82 : 19,802.81 = 8,299.51 : x
  2. Step 2: Convert to fraction form
    14,350.82/19,802.81 = 8,299.51/x
  3. Step 3: Cross multiply
    14,350.82x = 19,802.81 × 8,299.51
  4. Step 4: Simplify right side
    14,350.82x = 164,353,590.86
  5. Step 5: Solve for x
    x = 164,353,590.86/14,350.82
  6. Step 6: Final answer
    x = 11,452.56

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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.