Home / 15,248.61-21,043.14-8,535.33

Finding the Fourth Proportional to 15,248.61, 21,043.14 and 8,535.33

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Solution

The fourth proportional to 15,248.61, 21,043.14 and 8,535.33 is: 11,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.61 : 21,043.14 = 8,535.33 : x
  2. Step 2: Convert to fraction form
    15,248.61/21,043.14 = 8,535.33/x
  3. Step 3: Cross multiply
    15,248.61x = 21,043.14 × 8,535.33
  4. Step 4: Simplify right side
    15,248.61x = 179,610,144.14
  5. Step 5: Solve for x
    x = 179,610,144.14/15,248.61
  6. Step 6: Final answer
    x = 11,778.79

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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.