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Finding the Fourth Proportional to 16,607.19, 24,905.91 and 13,678.23

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Solution

The fourth proportional to 16,607.19, 24,905.91 and 13,678.23 is: 20,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,607.19 : 24,905.91 = 13,678.23 : x
  2. Step 2: Convert to fraction form
    16,607.19/24,905.91 = 13,678.23/x
  3. Step 3: Cross multiply
    16,607.19x = 24,905.91 × 13,678.23
  4. Step 4: Simplify right side
    16,607.19x = 340,668,765.34
  5. Step 5: Solve for x
    x = 340,668,765.34/16,607.19
  6. Step 6: Final answer
    x = 20,513.33

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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.