Home / 13,140.96-19,713.36-5,350.24

Finding the Fourth Proportional to 13,140.96, 19,713.36 and 5,350.24

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Solution

The fourth proportional to 13,140.96, 19,713.36 and 5,350.24 is: 8,026.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140.96 : 19,713.36 = 5,350.24 : x
  2. Step 2: Convert to fraction form
    13,140.96/19,713.36 = 5,350.24/x
  3. Step 3: Cross multiply
    13,140.96x = 19,713.36 × 5,350.24
  4. Step 4: Simplify right side
    13,140.96x = 105,471,207.21
  5. Step 5: Solve for x
    x = 105,471,207.21/13,140.96
  6. Step 6: Final answer
    x = 8,026.14

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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.