Home / 13,010.08-17,956.56-8,819.68

Finding the Fourth Proportional to 13,010.08, 17,956.56 and 8,819.68

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Solution

The fourth proportional to 13,010.08, 17,956.56 and 8,819.68 is: 12,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.08 : 17,956.56 = 8,819.68 : x
  2. Step 2: Convert to fraction form
    13,010.08/17,956.56 = 8,819.68/x
  3. Step 3: Cross multiply
    13,010.08x = 17,956.56 × 8,819.68
  4. Step 4: Simplify right side
    13,010.08x = 158,371,113.10
  5. Step 5: Solve for x
    x = 158,371,113.10/13,010.08
  6. Step 6: Final answer
    x = 12,172.95

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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.