Home / 13,072.60-19,612.20-3,712.63

Finding the Fourth Proportional to 13,072.60, 19,612.20 and 3,712.63

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Solution

The fourth proportional to 13,072.60, 19,612.20 and 3,712.63 is: 5,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.60 : 19,612.20 = 3,712.63 : x
  2. Step 2: Convert to fraction form
    13,072.60/19,612.20 = 3,712.63/x
  3. Step 3: Cross multiply
    13,072.60x = 19,612.20 × 3,712.63
  4. Step 4: Simplify right side
    13,072.60x = 72,812,842.09
  5. Step 5: Solve for x
    x = 72,812,842.09/13,072.60
  6. Step 6: Final answer
    x = 5,569.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.