Home / 10,319.68-15,446.70-7,383.63

Finding the Fourth Proportional to 10,319.68, 15,446.70 and 7,383.63

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Solution

The fourth proportional to 10,319.68, 15,446.70 and 7,383.63 is: 11,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.68 : 15,446.70 = 7,383.63 : x
  2. Step 2: Convert to fraction form
    10,319.68/15,446.70 = 7,383.63/x
  3. Step 3: Cross multiply
    10,319.68x = 15,446.70 × 7,383.63
  4. Step 4: Simplify right side
    10,319.68x = 114,052,717.52
  5. Step 5: Solve for x
    x = 114,052,717.52/10,319.68
  6. Step 6: Final answer
    x = 11,051.96

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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.