Home / 13,314.92-18,374.65-7,346.76

Finding the Fourth Proportional to 13,314.92, 18,374.65 and 7,346.76

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Solution

The fourth proportional to 13,314.92, 18,374.65 and 7,346.76 is: 10,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.92 : 18,374.65 = 7,346.76 : x
  2. Step 2: Convert to fraction form
    13,314.92/18,374.65 = 7,346.76/x
  3. Step 3: Cross multiply
    13,314.92x = 18,374.65 × 7,346.76
  4. Step 4: Simplify right side
    13,314.92x = 134,994,143.63
  5. Step 5: Solve for x
    x = 134,994,143.63/13,314.92
  6. Step 6: Final answer
    x = 10,138.56

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Double scale
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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.