Home / 13,259.62-19,887.27-3,898.58

Finding the Fourth Proportional to 13,259.62, 19,887.27 and 3,898.58

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Solution

The fourth proportional to 13,259.62, 19,887.27 and 3,898.58 is: 5,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.62 : 19,887.27 = 3,898.58 : x
  2. Step 2: Convert to fraction form
    13,259.62/19,887.27 = 3,898.58/x
  3. Step 3: Cross multiply
    13,259.62x = 19,887.27 × 3,898.58
  4. Step 4: Simplify right side
    13,259.62x = 77,532,132.82
  5. Step 5: Solve for x
    x = 77,532,132.82/13,259.62
  6. Step 6: Final answer
    x = 5,847.23

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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.