Home / 11,685.02-16,125.35-6,379.92

Finding the Fourth Proportional to 11,685.02, 16,125.35 and 6,379.92

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Solution

The fourth proportional to 11,685.02, 16,125.35 and 6,379.92 is: 8,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.02 : 16,125.35 = 6,379.92 : x
  2. Step 2: Convert to fraction form
    11,685.02/16,125.35 = 6,379.92/x
  3. Step 3: Cross multiply
    11,685.02x = 16,125.35 × 6,379.92
  4. Step 4: Simplify right side
    11,685.02x = 102,878,411.07
  5. Step 5: Solve for x
    x = 102,878,411.07/11,685.02
  6. Step 6: Final answer
    x = 8,804.30

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Double scale
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Similar ratio
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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.