Home / 14,257.25-21,387.07-5,253.82

Finding the Fourth Proportional to 14,257.25, 21,387.07 and 5,253.82

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Solution

The fourth proportional to 14,257.25, 21,387.07 and 5,253.82 is: 7,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.25 : 21,387.07 = 5,253.82 : x
  2. Step 2: Convert to fraction form
    14,257.25/21,387.07 = 5,253.82/x
  3. Step 3: Cross multiply
    14,257.25x = 21,387.07 × 5,253.82
  4. Step 4: Simplify right side
    14,257.25x = 112,363,709.17
  5. Step 5: Solve for x
    x = 112,363,709.17/14,257.25
  6. Step 6: Final answer
    x = 7,881.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.