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Finding the Fourth Proportional to 14,823.84, 22,239.42 and 13,608.84

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Solution

The fourth proportional to 14,823.84, 22,239.42 and 13,608.84 is: 20,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.84 : 22,239.42 = 13,608.84 : x
  2. Step 2: Convert to fraction form
    14,823.84/22,239.42 = 13,608.84/x
  3. Step 3: Cross multiply
    14,823.84x = 22,239.42 × 13,608.84
  4. Step 4: Simplify right side
    14,823.84x = 302,652,708.47
  5. Step 5: Solve for x
    x = 302,652,708.47/14,823.84
  6. Step 6: Final answer
    x = 20,416.62

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1.5x scale

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.