Home / 20,495.64-30,737.38-8,806.14

Finding the Fourth Proportional to 20,495.64, 30,737.38 and 8,806.14

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Solution

The fourth proportional to 20,495.64, 30,737.38 and 8,806.14 is: 13,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.64 : 30,737.38 = 8,806.14 : x
  2. Step 2: Convert to fraction form
    20,495.64/30,737.38 = 8,806.14/x
  3. Step 3: Cross multiply
    20,495.64x = 30,737.38 × 8,806.14
  4. Step 4: Simplify right side
    20,495.64x = 270,677,671.51
  5. Step 5: Solve for x
    x = 270,677,671.51/20,495.64
  6. Step 6: Final answer
    x = 13,206.60

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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.