Home / 14,272.32-21,412.50-12,500.82

Finding the Fourth Proportional to 14,272.32, 21,412.50 and 12,500.82

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Solution

The fourth proportional to 14,272.32, 21,412.50 and 12,500.82 is: 18,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.32 : 21,412.50 = 12,500.82 : x
  2. Step 2: Convert to fraction form
    14,272.32/21,412.50 = 12,500.82/x
  3. Step 3: Cross multiply
    14,272.32x = 21,412.50 × 12,500.82
  4. Step 4: Simplify right side
    14,272.32x = 267,673,808.25
  5. Step 5: Solve for x
    x = 267,673,808.25/14,272.32
  6. Step 6: Final answer
    x = 18,754.75

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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.