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Finding the Fourth Proportional to 14,802, 20,417.10 and 9,488.40

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Solution

The fourth proportional to 14,802, 20,417.10 and 9,488.40 is: 13,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802 : 20,417.10 = 9,488.40 : x
  2. Step 2: Convert to fraction form
    14,802/20,417.10 = 9,488.40/x
  3. Step 3: Cross multiply
    14,802x = 20,417.10 × 9,488.40
  4. Step 4: Simplify right side
    14,802x = 193,725,611.64
  5. Step 5: Solve for x
    x = 193,725,611.64/14,802
  6. Step 6: Final answer
    x = 13,087.80

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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.