Home / 14,391.83-21,592.05-8,699.15

Finding the Fourth Proportional to 14,391.83, 21,592.05 and 8,699.15

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Solution

The fourth proportional to 14,391.83, 21,592.05 and 8,699.15 is: 13,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.83 : 21,592.05 = 8,699.15 : x
  2. Step 2: Convert to fraction form
    14,391.83/21,592.05 = 8,699.15/x
  3. Step 3: Cross multiply
    14,391.83x = 21,592.05 × 8,699.15
  4. Step 4: Simplify right side
    14,391.83x = 187,832,481.76
  5. Step 5: Solve for x
    x = 187,832,481.76/14,391.83
  6. Step 6: Final answer
    x = 13,051.33

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1.5x scale

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.