Home / 14,270.31-21,403.37-8,349.92

Finding the Fourth Proportional to 14,270.31, 21,403.37 and 8,349.92

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Solution

The fourth proportional to 14,270.31, 21,403.37 and 8,349.92 is: 12,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.31 : 21,403.37 = 8,349.92 : x
  2. Step 2: Convert to fraction form
    14,270.31/21,403.37 = 8,349.92/x
  3. Step 3: Cross multiply
    14,270.31x = 21,403.37 × 8,349.92
  4. Step 4: Simplify right side
    14,270.31x = 178,716,421.35
  5. Step 5: Solve for x
    x = 178,716,421.35/14,270.31
  6. Step 6: Final answer
    x = 12,523.65

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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.