Home / 13,972.59-19,281.78-7,684.96

Finding the Fourth Proportional to 13,972.59, 19,281.78 and 7,684.96

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Solution

The fourth proportional to 13,972.59, 19,281.78 and 7,684.96 is: 10,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.59 : 19,281.78 = 7,684.96 : x
  2. Step 2: Convert to fraction form
    13,972.59/19,281.78 = 7,684.96/x
  3. Step 3: Cross multiply
    13,972.59x = 19,281.78 × 7,684.96
  4. Step 4: Simplify right side
    13,972.59x = 148,179,708.03
  5. Step 5: Solve for x
    x = 148,179,708.03/13,972.59
  6. Step 6: Final answer
    x = 10,605.03

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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.