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Finding the Fourth Proportional to 15,662.93, 23,463.08 and 9,419.51

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Solution

The fourth proportional to 15,662.93, 23,463.08 and 9,419.51 is: 14,110.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662.93 : 23,463.08 = 9,419.51 : x
  2. Step 2: Convert to fraction form
    15,662.93/23,463.08 = 9,419.51/x
  3. Step 3: Cross multiply
    15,662.93x = 23,463.08 × 9,419.51
  4. Step 4: Simplify right side
    15,662.93x = 221,010,552.28
  5. Step 5: Solve for x
    x = 221,010,552.28/15,662.93
  6. Step 6: Final answer
    x = 14,110.43

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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.