Home / 14,298.92-21,405.82-12,797.16

Finding the Fourth Proportional to 14,298.92, 21,405.82 and 12,797.16

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Solution

The fourth proportional to 14,298.92, 21,405.82 and 12,797.16 is: 19,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.92 : 21,405.82 = 12,797.16 : x
  2. Step 2: Convert to fraction form
    14,298.92/21,405.82 = 12,797.16/x
  3. Step 3: Cross multiply
    14,298.92x = 21,405.82 × 12,797.16
  4. Step 4: Simplify right side
    14,298.92x = 273,933,703.47
  5. Step 5: Solve for x
    x = 273,933,703.47/14,298.92
  6. Step 6: Final answer
    x = 19,157.65

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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.