Home / 19,091.28-28,630.08-6,607.95

Finding the Fourth Proportional to 19,091.28, 28,630.08 and 6,607.95

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Solution

The fourth proportional to 19,091.28, 28,630.08 and 6,607.95 is: 9,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.28 : 28,630.08 = 6,607.95 : x
  2. Step 2: Convert to fraction form
    19,091.28/28,630.08 = 6,607.95/x
  3. Step 3: Cross multiply
    19,091.28x = 28,630.08 × 6,607.95
  4. Step 4: Simplify right side
    19,091.28x = 189,186,137.14
  5. Step 5: Solve for x
    x = 189,186,137.14/19,091.28
  6. Step 6: Final answer
    x = 9,909.56

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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.