Home / 13,008.68-19,498.21-5,507.56

Finding the Fourth Proportional to 13,008.68, 19,498.21 and 5,507.56

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Solution

The fourth proportional to 13,008.68, 19,498.21 and 5,507.56 is: 8,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.68 : 19,498.21 = 5,507.56 : x
  2. Step 2: Convert to fraction form
    13,008.68/19,498.21 = 5,507.56/x
  3. Step 3: Cross multiply
    13,008.68x = 19,498.21 × 5,507.56
  4. Step 4: Simplify right side
    13,008.68x = 107,387,561.47
  5. Step 5: Solve for x
    x = 107,387,561.47/13,008.68
  6. Step 6: Final answer
    x = 8,255.07

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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.