Home / 11,135.90-16,605.57-11,035.91

Finding the Fourth Proportional to 11,135.90, 16,605.57 and 11,035.91

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Solution

The fourth proportional to 11,135.90, 16,605.57 and 11,035.91 is: 16,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.90 : 16,605.57 = 11,035.91 : x
  2. Step 2: Convert to fraction form
    11,135.90/16,605.57 = 11,035.91/x
  3. Step 3: Cross multiply
    11,135.90x = 16,605.57 × 11,035.91
  4. Step 4: Simplify right side
    11,135.90x = 183,257,492.99
  5. Step 5: Solve for x
    x = 183,257,492.99/11,135.90
  6. Step 6: Final answer
    x = 16,456.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.