Home / 10,661.04-14,699.16-8,766

Finding the Fourth Proportional to 10,661.04, 14,699.16 and 8,766

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Solution

The fourth proportional to 10,661.04, 14,699.16 and 8,766 is: 12,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.04 : 14,699.16 = 8,766 : x
  2. Step 2: Convert to fraction form
    10,661.04/14,699.16 = 8,766/x
  3. Step 3: Cross multiply
    10,661.04x = 14,699.16 × 8,766
  4. Step 4: Simplify right side
    10,661.04x = 128,852,836.56
  5. Step 5: Solve for x
    x = 128,852,836.56/10,661.04
  6. Step 6: Final answer
    x = 12,086.33

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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.