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Finding the Fourth Proportional to 9,599.40, 14,390.33 and 8,128.10

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Solution

The fourth proportional to 9,599.40, 14,390.33 and 8,128.10 is: 12,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,599.40 : 14,390.33 = 8,128.10 : x
  2. Step 2: Convert to fraction form
    9,599.40/14,390.33 = 8,128.10/x
  3. Step 3: Cross multiply
    9,599.40x = 14,390.33 × 8,128.10
  4. Step 4: Simplify right side
    9,599.40x = 116,965,928.68
  5. Step 5: Solve for x
    x = 116,965,928.68/9,599.40
  6. Step 6: Final answer
    x = 12,184.71

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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.