Home / 13,131.58-19,697.10-4,366.58

Finding the Fourth Proportional to 13,131.58, 19,697.10 and 4,366.58

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Solution

The fourth proportional to 13,131.58, 19,697.10 and 4,366.58 is: 6,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.58 : 19,697.10 = 4,366.58 : x
  2. Step 2: Convert to fraction form
    13,131.58/19,697.10 = 4,366.58/x
  3. Step 3: Cross multiply
    13,131.58x = 19,697.10 × 4,366.58
  4. Step 4: Simplify right side
    13,131.58x = 86,008,962.92
  5. Step 5: Solve for x
    x = 86,008,962.92/13,131.58
  6. Step 6: Final answer
    x = 6,549.78

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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.