Home / 14,490.12-19,996.62-11,307

Finding the Fourth Proportional to 14,490.12, 19,996.62 and 11,307

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Solution

The fourth proportional to 14,490.12, 19,996.62 and 11,307 is: 15,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.12 : 19,996.62 = 11,307 : x
  2. Step 2: Convert to fraction form
    14,490.12/19,996.62 = 11,307/x
  3. Step 3: Cross multiply
    14,490.12x = 19,996.62 × 11,307
  4. Step 4: Simplify right side
    14,490.12x = 226,101,782.34
  5. Step 5: Solve for x
    x = 226,101,782.34/14,490.12
  6. Step 6: Final answer
    x = 15,603.86

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1.5x scale

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.