Home / 11,116.99-16,681.23-4,881.38

Finding the Fourth Proportional to 11,116.99, 16,681.23 and 4,881.38

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Solution

The fourth proportional to 11,116.99, 16,681.23 and 4,881.38 is: 7,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.99 : 16,681.23 = 4,881.38 : x
  2. Step 2: Convert to fraction form
    11,116.99/16,681.23 = 4,881.38/x
  3. Step 3: Cross multiply
    11,116.99x = 16,681.23 × 4,881.38
  4. Step 4: Simplify right side
    11,116.99x = 81,427,464.20
  5. Step 5: Solve for x
    x = 81,427,464.20/11,116.99
  6. Step 6: Final answer
    x = 7,324.60

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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.