Home / 14,155.11-19,536.48-8,190.45

Finding the Fourth Proportional to 14,155.11, 19,536.48 and 8,190.45

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Solution

The fourth proportional to 14,155.11, 19,536.48 and 8,190.45 is: 11,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.11 : 19,536.48 = 8,190.45 : x
  2. Step 2: Convert to fraction form
    14,155.11/19,536.48 = 8,190.45/x
  3. Step 3: Cross multiply
    14,155.11x = 19,536.48 × 8,190.45
  4. Step 4: Simplify right side
    14,155.11x = 160,012,562.62
  5. Step 5: Solve for x
    x = 160,012,562.62/14,155.11
  6. Step 6: Final answer
    x = 11,304.23

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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.