Home / 13,314.92-18,373.32-7,346.84

Finding the Fourth Proportional to 13,314.92, 18,373.32 and 7,346.84

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Solution

The fourth proportional to 13,314.92, 18,373.32 and 7,346.84 is: 10,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.92 : 18,373.32 = 7,346.84 : x
  2. Step 2: Convert to fraction form
    13,314.92/18,373.32 = 7,346.84/x
  3. Step 3: Cross multiply
    13,314.92x = 18,373.32 × 7,346.84
  4. Step 4: Simplify right side
    13,314.92x = 134,985,842.31
  5. Step 5: Solve for x
    x = 134,985,842.31/13,314.92
  6. Step 6: Final answer
    x = 10,137.94

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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.