Home / 11,235.17-16,856-3,445.13

Finding the Fourth Proportional to 11,235.17, 16,856 and 3,445.13

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Solution

The fourth proportional to 11,235.17, 16,856 and 3,445.13 is: 5,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.17 : 16,856 = 3,445.13 : x
  2. Step 2: Convert to fraction form
    11,235.17/16,856 = 3,445.13/x
  3. Step 3: Cross multiply
    11,235.17x = 16,856 × 3,445.13
  4. Step 4: Simplify right side
    11,235.17x = 58,071,111.28
  5. Step 5: Solve for x
    x = 58,071,111.28/11,235.17
  6. Step 6: Final answer
    x = 5,168.69

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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.