Home / 14,170.28-21,349.96-12,837.74

Finding the Fourth Proportional to 14,170.28, 21,349.96 and 12,837.74

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Solution

The fourth proportional to 14,170.28, 21,349.96 and 12,837.74 is: 19,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.28 : 21,349.96 = 12,837.74 : x
  2. Step 2: Convert to fraction form
    14,170.28/21,349.96 = 12,837.74/x
  3. Step 3: Cross multiply
    14,170.28x = 21,349.96 × 12,837.74
  4. Step 4: Simplify right side
    14,170.28x = 274,085,235.49
  5. Step 5: Solve for x
    x = 274,085,235.49/14,170.28
  6. Step 6: Final answer
    x = 19,342.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.