Home / 14,634.30-20,195.13-8,346.78

Finding the Fourth Proportional to 14,634.30, 20,195.13 and 8,346.78

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Solution

The fourth proportional to 14,634.30, 20,195.13 and 8,346.78 is: 11,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.30 : 20,195.13 = 8,346.78 : x
  2. Step 2: Convert to fraction form
    14,634.30/20,195.13 = 8,346.78/x
  3. Step 3: Cross multiply
    14,634.30x = 20,195.13 × 8,346.78
  4. Step 4: Simplify right side
    14,634.30x = 168,564,307.18
  5. Step 5: Solve for x
    x = 168,564,307.18/14,634.30
  6. Step 6: Final answer
    x = 11,518.44

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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.