Home / 16,995.78-23,445.99-9,918

Finding the Fourth Proportional to 16,995.78, 23,445.99 and 9,918

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Solution

The fourth proportional to 16,995.78, 23,445.99 and 9,918 is: 13,682.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.78 : 23,445.99 = 9,918 : x
  2. Step 2: Convert to fraction form
    16,995.78/23,445.99 = 9,918/x
  3. Step 3: Cross multiply
    16,995.78x = 23,445.99 × 9,918
  4. Step 4: Simplify right side
    16,995.78x = 232,537,328.82
  5. Step 5: Solve for x
    x = 232,537,328.82/16,995.78
  6. Step 6: Final answer
    x = 13,682.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.