Home / 14,419.16-19,894.68-8,447.62

Finding the Fourth Proportional to 14,419.16, 19,894.68 and 8,447.62

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Solution

The fourth proportional to 14,419.16, 19,894.68 and 8,447.62 is: 11,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.16 : 19,894.68 = 8,447.62 : x
  2. Step 2: Convert to fraction form
    14,419.16/19,894.68 = 8,447.62/x
  3. Step 3: Cross multiply
    14,419.16x = 19,894.68 × 8,447.62
  4. Step 4: Simplify right side
    14,419.16x = 168,062,696.66
  5. Step 5: Solve for x
    x = 168,062,696.66/14,419.16
  6. Step 6: Final answer
    x = 11,655.51

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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.