Home / 14,192.72-21,266.96-5,422.86

Finding the Fourth Proportional to 14,192.72, 21,266.96 and 5,422.86

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Solution

The fourth proportional to 14,192.72, 21,266.96 and 5,422.86 is: 8,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.72 : 21,266.96 = 5,422.86 : x
  2. Step 2: Convert to fraction form
    14,192.72/21,266.96 = 5,422.86/x
  3. Step 3: Cross multiply
    14,192.72x = 21,266.96 × 5,422.86
  4. Step 4: Simplify right side
    14,192.72x = 115,327,746.71
  5. Step 5: Solve for x
    x = 115,327,746.71/14,192.72
  6. Step 6: Final answer
    x = 8,125.84

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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.