Home / 14,761.45-20,370.39-8,047.21

Finding the Fourth Proportional to 14,761.45, 20,370.39 and 8,047.21

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Solution

The fourth proportional to 14,761.45, 20,370.39 and 8,047.21 is: 11,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.45 : 20,370.39 = 8,047.21 : x
  2. Step 2: Convert to fraction form
    14,761.45/20,370.39 = 8,047.21/x
  3. Step 3: Cross multiply
    14,761.45x = 20,370.39 × 8,047.21
  4. Step 4: Simplify right side
    14,761.45x = 163,924,806.11
  5. Step 5: Solve for x
    x = 163,924,806.11/14,761.45
  6. Step 6: Final answer
    x = 11,104.93

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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.