Home / 13,385.42-20,036.04-9,200.96

Finding the Fourth Proportional to 13,385.42, 20,036.04 and 9,200.96

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Solution

The fourth proportional to 13,385.42, 20,036.04 and 9,200.96 is: 13,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.42 : 20,036.04 = 9,200.96 : x
  2. Step 2: Convert to fraction form
    13,385.42/20,036.04 = 9,200.96/x
  3. Step 3: Cross multiply
    13,385.42x = 20,036.04 × 9,200.96
  4. Step 4: Simplify right side
    13,385.42x = 184,350,802.60
  5. Step 5: Solve for x
    x = 184,350,802.60/13,385.42
  6. Step 6: Final answer
    x = 13,772.51

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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.