Home / 13,602.04-20,383.90-10,816.35

Finding the Fourth Proportional to 13,602.04, 20,383.90 and 10,816.35

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Solution

The fourth proportional to 13,602.04, 20,383.90 and 10,816.35 is: 16,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.04 : 20,383.90 = 10,816.35 : x
  2. Step 2: Convert to fraction form
    13,602.04/20,383.90 = 10,816.35/x
  3. Step 3: Cross multiply
    13,602.04x = 20,383.90 × 10,816.35
  4. Step 4: Simplify right side
    13,602.04x = 220,479,396.77
  5. Step 5: Solve for x
    x = 220,479,396.77/13,602.04
  6. Step 6: Final answer
    x = 16,209.29

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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.