Home / 13,991.34-19,304.55-11,333.76

Finding the Fourth Proportional to 13,991.34, 19,304.55 and 11,333.76

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Solution

The fourth proportional to 13,991.34, 19,304.55 and 11,333.76 is: 15,637.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.34 : 19,304.55 = 11,333.76 : x
  2. Step 2: Convert to fraction form
    13,991.34/19,304.55 = 11,333.76/x
  3. Step 3: Cross multiply
    13,991.34x = 19,304.55 × 11,333.76
  4. Step 4: Simplify right side
    13,991.34x = 218,793,136.61
  5. Step 5: Solve for x
    x = 218,793,136.61/13,991.34
  6. Step 6: Final answer
    x = 15,637.75

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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.