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Finding the Fourth Proportional to 18,015.64, 24,864.08 and 10,058.38

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Solution

The fourth proportional to 18,015.64, 24,864.08 and 10,058.38 is: 13,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.64 : 24,864.08 = 10,058.38 : x
  2. Step 2: Convert to fraction form
    18,015.64/24,864.08 = 10,058.38/x
  3. Step 3: Cross multiply
    18,015.64x = 24,864.08 × 10,058.38
  4. Step 4: Simplify right side
    18,015.64x = 250,092,364.99
  5. Step 5: Solve for x
    x = 250,092,364.99/18,015.64
  6. Step 6: Final answer
    x = 13,881.96

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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.