Home / 13,364.29-20,035.77-6,340.78

Finding the Fourth Proportional to 13,364.29, 20,035.77 and 6,340.78

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Solution

The fourth proportional to 13,364.29, 20,035.77 and 6,340.78 is: 9,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.29 : 20,035.77 = 6,340.78 : x
  2. Step 2: Convert to fraction form
    13,364.29/20,035.77 = 6,340.78/x
  3. Step 3: Cross multiply
    13,364.29x = 20,035.77 × 6,340.78
  4. Step 4: Simplify right side
    13,364.29x = 127,042,409.70
  5. Step 5: Solve for x
    x = 127,042,409.70/13,364.29
  6. Step 6: Final answer
    x = 9,506.11

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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.