Home / 14,448.97-19,938.61-8,160.94

Finding the Fourth Proportional to 14,448.97, 19,938.61 and 8,160.94

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Solution

The fourth proportional to 14,448.97, 19,938.61 and 8,160.94 is: 11,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.97 : 19,938.61 = 8,160.94 : x
  2. Step 2: Convert to fraction form
    14,448.97/19,938.61 = 8,160.94/x
  3. Step 3: Cross multiply
    14,448.97x = 19,938.61 × 8,160.94
  4. Step 4: Simplify right side
    14,448.97x = 162,717,729.64
  5. Step 5: Solve for x
    x = 162,717,729.64/14,448.97
  6. Step 6: Final answer
    x = 11,261.55

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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.