Home / 11,700.38-16,146.51-6,395.19

Finding the Fourth Proportional to 11,700.38, 16,146.51 and 6,395.19

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Solution

The fourth proportional to 11,700.38, 16,146.51 and 6,395.19 is: 8,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.38 : 16,146.51 = 6,395.19 : x
  2. Step 2: Convert to fraction form
    11,700.38/16,146.51 = 6,395.19/x
  3. Step 3: Cross multiply
    11,700.38x = 16,146.51 × 6,395.19
  4. Step 4: Simplify right side
    11,700.38x = 103,259,999.29
  5. Step 5: Solve for x
    x = 103,259,999.29/11,700.38
  6. Step 6: Final answer
    x = 8,825.36

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Half scale
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Double scale
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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.