Home / 11,685.04-16,125.68-6,380.19

Finding the Fourth Proportional to 11,685.04, 16,125.68 and 6,380.19

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Solution

The fourth proportional to 11,685.04, 16,125.68 and 6,380.19 is: 8,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.04 : 16,125.68 = 6,380.19 : x
  2. Step 2: Convert to fraction form
    11,685.04/16,125.68 = 6,380.19/x
  3. Step 3: Cross multiply
    11,685.04x = 16,125.68 × 6,380.19
  4. Step 4: Simplify right side
    11,685.04x = 102,884,918.23
  5. Step 5: Solve for x
    x = 102,884,918.23/11,685.04
  6. Step 6: Final answer
    x = 8,804.84

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Half scale
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Double scale
Find fourth proportional to 11,686.04, 16,127.06 and 6,381.19
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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.