Home / 11,621.38-16,036.84-6,316.16

Finding the Fourth Proportional to 11,621.38, 16,036.84 and 6,316.16

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Solution

The fourth proportional to 11,621.38, 16,036.84 and 6,316.16 is: 8,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.38 : 16,036.84 = 6,316.16 : x
  2. Step 2: Convert to fraction form
    11,621.38/16,036.84 = 6,316.16/x
  3. Step 3: Cross multiply
    11,621.38x = 16,036.84 × 6,316.16
  4. Step 4: Simplify right side
    11,621.38x = 101,291,151.36
  5. Step 5: Solve for x
    x = 101,291,151.36/11,621.38
  6. Step 6: Final answer
    x = 8,715.93

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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.