Home / 21,665.08-29,897.58-12,233.08

Finding the Fourth Proportional to 21,665.08, 29,897.58 and 12,233.08

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Solution

The fourth proportional to 21,665.08, 29,897.58 and 12,233.08 is: 16,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665.08 : 29,897.58 = 12,233.08 : x
  2. Step 2: Convert to fraction form
    21,665.08/29,897.58 = 12,233.08/x
  3. Step 3: Cross multiply
    21,665.08x = 29,897.58 × 12,233.08
  4. Step 4: Simplify right side
    21,665.08x = 365,739,487.95
  5. Step 5: Solve for x
    x = 365,739,487.95/21,665.08
  6. Step 6: Final answer
    x = 16,881.52

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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.