Home / 13,465.04-20,200.77-6,785.13

Finding the Fourth Proportional to 13,465.04, 20,200.77 and 6,785.13

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Solution

The fourth proportional to 13,465.04, 20,200.77 and 6,785.13 is: 10,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.04 : 20,200.77 = 6,785.13 : x
  2. Step 2: Convert to fraction form
    13,465.04/20,200.77 = 6,785.13/x
  3. Step 3: Cross multiply
    13,465.04x = 20,200.77 × 6,785.13
  4. Step 4: Simplify right side
    13,465.04x = 137,064,800.05
  5. Step 5: Solve for x
    x = 137,064,800.05/13,465.04
  6. Step 6: Final answer
    x = 10,179.31

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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.