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Finding the Fourth Proportional to 14,948, 20,630.22 and 9,658.19

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Solution

The fourth proportional to 14,948, 20,630.22 and 9,658.19 is: 13,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948 : 20,630.22 = 9,658.19 : x
  2. Step 2: Convert to fraction form
    14,948/20,630.22 = 9,658.19/x
  3. Step 3: Cross multiply
    14,948x = 20,630.22 × 9,658.19
  4. Step 4: Simplify right side
    14,948x = 199,250,584.50
  5. Step 5: Solve for x
    x = 199,250,584.50/14,948
  6. Step 6: Final answer
    x = 13,329.58

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1.5x scale

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.