Home / 20,369.63-30,528.93-11,009.27

Finding the Fourth Proportional to 20,369.63, 30,528.93 and 11,009.27

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Solution

The fourth proportional to 20,369.63, 30,528.93 and 11,009.27 is: 16,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369.63 : 30,528.93 = 11,009.27 : x
  2. Step 2: Convert to fraction form
    20,369.63/30,528.93 = 11,009.27/x
  3. Step 3: Cross multiply
    20,369.63x = 30,528.93 × 11,009.27
  4. Step 4: Simplify right side
    20,369.63x = 336,101,233.18
  5. Step 5: Solve for x
    x = 336,101,233.18/20,369.63
  6. Step 6: Final answer
    x = 16,500.11

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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.