Home / 14,819.24-20,449.54-8,445

Finding the Fourth Proportional to 14,819.24, 20,449.54 and 8,445

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Solution

The fourth proportional to 14,819.24, 20,449.54 and 8,445 is: 11,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.24 : 20,449.54 = 8,445 : x
  2. Step 2: Convert to fraction form
    14,819.24/20,449.54 = 8,445/x
  3. Step 3: Cross multiply
    14,819.24x = 20,449.54 × 8,445
  4. Step 4: Simplify right side
    14,819.24x = 172,696,365.30
  5. Step 5: Solve for x
    x = 172,696,365.30/14,819.24
  6. Step 6: Final answer
    x = 11,653.52

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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.