Home / 20,171.04-30,263.04-9,790.08

Finding the Fourth Proportional to 20,171.04, 30,263.04 and 9,790.08

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Solution

The fourth proportional to 20,171.04, 30,263.04 and 9,790.08 is: 14,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.04 : 30,263.04 = 9,790.08 : x
  2. Step 2: Convert to fraction form
    20,171.04/30,263.04 = 9,790.08/x
  3. Step 3: Cross multiply
    20,171.04x = 30,263.04 × 9,790.08
  4. Step 4: Simplify right side
    20,171.04x = 296,277,582.64
  5. Step 5: Solve for x
    x = 296,277,582.64/20,171.04
  6. Step 6: Final answer
    x = 14,688.27

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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.