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Finding the Fourth Proportional to 14,679.84, 22,030.56 and 9,747.84

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Solution

The fourth proportional to 14,679.84, 22,030.56 and 9,747.84 is: 14,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.84 : 22,030.56 = 9,747.84 : x
  2. Step 2: Convert to fraction form
    14,679.84/22,030.56 = 9,747.84/x
  3. Step 3: Cross multiply
    14,679.84x = 22,030.56 × 9,747.84
  4. Step 4: Simplify right side
    14,679.84x = 214,750,373.99
  5. Step 5: Solve for x
    x = 214,750,373.99/14,679.84
  6. Step 6: Final answer
    x = 14,628.93

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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.