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Finding the Fourth Proportional to 18,954, 26,157.33 and 10,570.50

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Solution

The fourth proportional to 18,954, 26,157.33 and 10,570.50 is: 14,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954 : 26,157.33 = 10,570.50 : x
  2. Step 2: Convert to fraction form
    18,954/26,157.33 = 10,570.50/x
  3. Step 3: Cross multiply
    18,954x = 26,157.33 × 10,570.50
  4. Step 4: Simplify right side
    18,954x = 276,496,056.77
  5. Step 5: Solve for x
    x = 276,496,056.77/18,954
  6. Step 6: Final answer
    x = 14,587.74

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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.