Home / 20,200.07-30,300.59-6,873.04

Finding the Fourth Proportional to 20,200.07, 30,300.59 and 6,873.04

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Solution

The fourth proportional to 20,200.07, 30,300.59 and 6,873.04 is: 10,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.07 : 30,300.59 = 6,873.04 : x
  2. Step 2: Convert to fraction form
    20,200.07/30,300.59 = 6,873.04/x
  3. Step 3: Cross multiply
    20,200.07x = 30,300.59 × 6,873.04
  4. Step 4: Simplify right side
    20,200.07x = 208,256,981.23
  5. Step 5: Solve for x
    x = 208,256,981.23/20,200.07
  6. Step 6: Final answer
    x = 10,309.72

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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.