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Finding the Fourth Proportional to 14,010, 21,008.16 and 6,608.22

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Solution

The fourth proportional to 14,010, 21,008.16 and 6,608.22 is: 9,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010 : 21,008.16 = 6,608.22 : x
  2. Step 2: Convert to fraction form
    14,010/21,008.16 = 6,608.22/x
  3. Step 3: Cross multiply
    14,010x = 21,008.16 × 6,608.22
  4. Step 4: Simplify right side
    14,010x = 138,826,543.08
  5. Step 5: Solve for x
    x = 138,826,543.08/14,010
  6. Step 6: Final answer
    x = 9,909.10

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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.