Home / 13,324.08-19,997.63-5,430.96

Finding the Fourth Proportional to 13,324.08, 19,997.63 and 5,430.96

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Solution

The fourth proportional to 13,324.08, 19,997.63 and 5,430.96 is: 8,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.08 : 19,997.63 = 5,430.96 : x
  2. Step 2: Convert to fraction form
    13,324.08/19,997.63 = 5,430.96/x
  3. Step 3: Cross multiply
    13,324.08x = 19,997.63 × 5,430.96
  4. Step 4: Simplify right side
    13,324.08x = 108,606,342.20
  5. Step 5: Solve for x
    x = 108,606,342.20/13,324.08
  6. Step 6: Final answer
    x = 8,151.13

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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.