Home / 13,385.92-20,051.61-6,344.59

Finding the Fourth Proportional to 13,385.92, 20,051.61 and 6,344.59

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Solution

The fourth proportional to 13,385.92, 20,051.61 and 6,344.59 is: 9,503.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.92 : 20,051.61 = 6,344.59 : x
  2. Step 2: Convert to fraction form
    13,385.92/20,051.61 = 6,344.59/x
  3. Step 3: Cross multiply
    13,385.92x = 20,051.61 × 6,344.59
  4. Step 4: Simplify right side
    13,385.92x = 127,219,244.29
  5. Step 5: Solve for x
    x = 127,219,244.29/13,385.92
  6. Step 6: Final answer
    x = 9,503.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.