Home / 20,097.08-30,121.44-7,436.74

Finding the Fourth Proportional to 20,097.08, 30,121.44 and 7,436.74

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Solution

The fourth proportional to 20,097.08, 30,121.44 and 7,436.74 is: 11,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.08 : 30,121.44 = 7,436.74 : x
  2. Step 2: Convert to fraction form
    20,097.08/30,121.44 = 7,436.74/x
  3. Step 3: Cross multiply
    20,097.08x = 30,121.44 × 7,436.74
  4. Step 4: Simplify right side
    20,097.08x = 224,005,317.71
  5. Step 5: Solve for x
    x = 224,005,317.71/20,097.08
  6. Step 6: Final answer
    x = 11,146.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.