Home / 15,248.08-21,044.55-8,786.46

Finding the Fourth Proportional to 15,248.08, 21,044.55 and 8,786.46

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Solution

The fourth proportional to 15,248.08, 21,044.55 and 8,786.46 is: 12,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.08 : 21,044.55 = 8,786.46 : x
  2. Step 2: Convert to fraction form
    15,248.08/21,044.55 = 8,786.46/x
  3. Step 3: Cross multiply
    15,248.08x = 21,044.55 × 8,786.46
  4. Step 4: Simplify right side
    15,248.08x = 184,906,991.57
  5. Step 5: Solve for x
    x = 184,906,991.57/15,248.08
  6. Step 6: Final answer
    x = 12,126.58

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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.