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Finding the Fourth Proportional to 17,364.71, 26,041.60 and 9,972.65

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Solution

The fourth proportional to 17,364.71, 26,041.60 and 9,972.65 is: 14,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,364.71 : 26,041.60 = 9,972.65 : x
  2. Step 2: Convert to fraction form
    17,364.71/26,041.60 = 9,972.65/x
  3. Step 3: Cross multiply
    17,364.71x = 26,041.60 × 9,972.65
  4. Step 4: Simplify right side
    17,364.71x = 259,703,839.81
  5. Step 5: Solve for x
    x = 259,703,839.81/17,364.71
  6. Step 6: Final answer
    x = 14,955.84

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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.