Home / 14,568.76-20,108.10-8,905.48

Finding the Fourth Proportional to 14,568.76, 20,108.10 and 8,905.48

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Solution

The fourth proportional to 14,568.76, 20,108.10 and 8,905.48 is: 12,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.76 : 20,108.10 = 8,905.48 : x
  2. Step 2: Convert to fraction form
    14,568.76/20,108.10 = 8,905.48/x
  3. Step 3: Cross multiply
    14,568.76x = 20,108.10 × 8,905.48
  4. Step 4: Simplify right side
    14,568.76x = 179,072,282.39
  5. Step 5: Solve for x
    x = 179,072,282.39/14,568.76
  6. Step 6: Final answer
    x = 12,291.53

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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.