Home / 14,346.05-19,794.31-8,680.66

Finding the Fourth Proportional to 14,346.05, 19,794.31 and 8,680.66

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Solution

The fourth proportional to 14,346.05, 19,794.31 and 8,680.66 is: 11,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.05 : 19,794.31 = 8,680.66 : x
  2. Step 2: Convert to fraction form
    14,346.05/19,794.31 = 8,680.66/x
  3. Step 3: Cross multiply
    14,346.05x = 19,794.31 × 8,680.66
  4. Step 4: Simplify right side
    14,346.05x = 171,827,532.67
  5. Step 5: Solve for x
    x = 171,827,532.67/14,346.05
  6. Step 6: Final answer
    x = 11,977.34

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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.