Home / 14,191.74-19,584.81-8,142.96

Finding the Fourth Proportional to 14,191.74, 19,584.81 and 8,142.96

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Solution

The fourth proportional to 14,191.74, 19,584.81 and 8,142.96 is: 11,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.74 : 19,584.81 = 8,142.96 : x
  2. Step 2: Convert to fraction form
    14,191.74/19,584.81 = 8,142.96/x
  3. Step 3: Cross multiply
    14,191.74x = 19,584.81 × 8,142.96
  4. Step 4: Simplify right side
    14,191.74x = 159,478,420.78
  5. Step 5: Solve for x
    x = 159,478,420.78/14,191.74
  6. Step 6: Final answer
    x = 11,237.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.