Home / 13,972.52-19,282.56-8,005.34

Finding the Fourth Proportional to 13,972.52, 19,282.56 and 8,005.34

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Solution

The fourth proportional to 13,972.52, 19,282.56 and 8,005.34 is: 11,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.52 : 19,282.56 = 8,005.34 : x
  2. Step 2: Convert to fraction form
    13,972.52/19,282.56 = 8,005.34/x
  3. Step 3: Cross multiply
    13,972.52x = 19,282.56 × 8,005.34
  4. Step 4: Simplify right side
    13,972.52x = 154,363,426.14
  5. Step 5: Solve for x
    x = 154,363,426.14/13,972.52
  6. Step 6: Final answer
    x = 11,047.65

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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.