Home / 14,247.83-19,661.62-7,960.20

Finding the Fourth Proportional to 14,247.83, 19,661.62 and 7,960.20

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Solution

The fourth proportional to 14,247.83, 19,661.62 and 7,960.20 is: 10,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.83 : 19,661.62 = 7,960.20 : x
  2. Step 2: Convert to fraction form
    14,247.83/19,661.62 = 7,960.20/x
  3. Step 3: Cross multiply
    14,247.83x = 19,661.62 × 7,960.20
  4. Step 4: Simplify right side
    14,247.83x = 156,510,427.52
  5. Step 5: Solve for x
    x = 156,510,427.52/14,247.83
  6. Step 6: Final answer
    x = 10,984.86

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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.