Home / 10,988.61-16,483.88-3,091.19

Finding the Fourth Proportional to 10,988.61, 16,483.88 and 3,091.19

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Solution

The fourth proportional to 10,988.61, 16,483.88 and 3,091.19 is: 4,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.61 : 16,483.88 = 3,091.19 : x
  2. Step 2: Convert to fraction form
    10,988.61/16,483.88 = 3,091.19/x
  3. Step 3: Cross multiply
    10,988.61x = 16,483.88 × 3,091.19
  4. Step 4: Simplify right side
    10,988.61x = 50,954,805.02
  5. Step 5: Solve for x
    x = 50,954,805.02/10,988.61
  6. Step 6: Final answer
    x = 4,637.06

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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.