Home / 13,142.73-19,709.23-4,707.92

Finding the Fourth Proportional to 13,142.73, 19,709.23 and 4,707.92

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Solution

The fourth proportional to 13,142.73, 19,709.23 and 4,707.92 is: 7,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142.73 : 19,709.23 = 4,707.92 : x
  2. Step 2: Convert to fraction form
    13,142.73/19,709.23 = 4,707.92/x
  3. Step 3: Cross multiply
    13,142.73x = 19,709.23 × 4,707.92
  4. Step 4: Simplify right side
    13,142.73x = 92,789,454.56
  5. Step 5: Solve for x
    x = 92,789,454.56/13,142.73
  6. Step 6: Final answer
    x = 7,060.14

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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.