Home / 14,346.30-19,794.65-8,680.91

Finding the Fourth Proportional to 14,346.30, 19,794.65 and 8,680.91

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Solution

The fourth proportional to 14,346.30, 19,794.65 and 8,680.91 is: 11,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.30 : 19,794.65 = 8,680.91 : x
  2. Step 2: Convert to fraction form
    14,346.30/19,794.65 = 8,680.91/x
  3. Step 3: Cross multiply
    14,346.30x = 19,794.65 × 8,680.91
  4. Step 4: Simplify right side
    14,346.30x = 171,835,497.86
  5. Step 5: Solve for x
    x = 171,835,497.86/14,346.30
  6. Step 6: Final answer
    x = 11,977.69

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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.