Home / 13,301.92-19,927.32-7,440.76

Finding the Fourth Proportional to 13,301.92, 19,927.32 and 7,440.76

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Solution

The fourth proportional to 13,301.92, 19,927.32 and 7,440.76 is: 11,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.92 : 19,927.32 = 7,440.76 : x
  2. Step 2: Convert to fraction form
    13,301.92/19,927.32 = 7,440.76/x
  3. Step 3: Cross multiply
    13,301.92x = 19,927.32 × 7,440.76
  4. Step 4: Simplify right side
    13,301.92x = 148,274,405.56
  5. Step 5: Solve for x
    x = 148,274,405.56/13,301.92
  6. Step 6: Final answer
    x = 11,146.84

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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.