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Finding the Fourth Proportional to 9,301.60, 13,934.58 and 8,988.94

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Solution

The fourth proportional to 9,301.60, 13,934.58 and 8,988.94 is: 13,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.60 : 13,934.58 = 8,988.94 : x
  2. Step 2: Convert to fraction form
    9,301.60/13,934.58 = 8,988.94/x
  3. Step 3: Cross multiply
    9,301.60x = 13,934.58 × 8,988.94
  4. Step 4: Simplify right side
    9,301.60x = 125,257,103.55
  5. Step 5: Solve for x
    x = 125,257,103.55/9,301.60
  6. Step 6: Final answer
    x = 13,466.19

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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.