Home / 11,444.43-15,800.45-8,786.55

Finding the Fourth Proportional to 11,444.43, 15,800.45 and 8,786.55

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Solution

The fourth proportional to 11,444.43, 15,800.45 and 8,786.55 is: 12,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,444.43 : 15,800.45 = 8,786.55 : x
  2. Step 2: Convert to fraction form
    11,444.43/15,800.45 = 8,786.55/x
  3. Step 3: Cross multiply
    11,444.43x = 15,800.45 × 8,786.55
  4. Step 4: Simplify right side
    11,444.43x = 138,831,443.95
  5. Step 5: Solve for x
    x = 138,831,443.95/11,444.43
  6. Step 6: Final answer
    x = 12,130.92

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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.