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Finding the Fourth Proportional to 18,888, 26,065.44 and 10,504.32

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Solution

The fourth proportional to 18,888, 26,065.44 and 10,504.32 is: 14,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888 : 26,065.44 = 10,504.32 : x
  2. Step 2: Convert to fraction form
    18,888/26,065.44 = 10,504.32/x
  3. Step 3: Cross multiply
    18,888x = 26,065.44 × 10,504.32
  4. Step 4: Simplify right side
    18,888x = 273,799,722.70
  5. Step 5: Solve for x
    x = 273,799,722.70/18,888
  6. Step 6: Final answer
    x = 14,495.96

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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.