Home / 13,436.57-20,154.39-4,671.26

Finding the Fourth Proportional to 13,436.57, 20,154.39 and 4,671.26

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Solution

The fourth proportional to 13,436.57, 20,154.39 and 4,671.26 is: 7,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.57 : 20,154.39 = 4,671.26 : x
  2. Step 2: Convert to fraction form
    13,436.57/20,154.39 = 4,671.26/x
  3. Step 3: Cross multiply
    13,436.57x = 20,154.39 × 4,671.26
  4. Step 4: Simplify right side
    13,436.57x = 94,146,295.06
  5. Step 5: Solve for x
    x = 94,146,295.06/13,436.57
  6. Step 6: Final answer
    x = 7,006.72

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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.