Home / 13,972.59-19,277.46-9,488.55

Finding the Fourth Proportional to 13,972.59, 19,277.46 and 9,488.55

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Solution

The fourth proportional to 13,972.59, 19,277.46 and 9,488.55 is: 13,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.59 : 19,277.46 = 9,488.55 : x
  2. Step 2: Convert to fraction form
    13,972.59/19,277.46 = 9,488.55/x
  3. Step 3: Cross multiply
    13,972.59x = 19,277.46 × 9,488.55
  4. Step 4: Simplify right side
    13,972.59x = 182,915,143.08
  5. Step 5: Solve for x
    x = 182,915,143.08/13,972.59
  6. Step 6: Final answer
    x = 13,091.00

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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.