Home / 20,230.04-30,346.88-6,898.53

Finding the Fourth Proportional to 20,230.04, 30,346.88 and 6,898.53

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Solution

The fourth proportional to 20,230.04, 30,346.88 and 6,898.53 is: 10,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.04 : 30,346.88 = 6,898.53 : x
  2. Step 2: Convert to fraction form
    20,230.04/30,346.88 = 6,898.53/x
  3. Step 3: Cross multiply
    20,230.04x = 30,346.88 × 6,898.53
  4. Step 4: Simplify right side
    20,230.04x = 209,348,827.59
  5. Step 5: Solve for x
    x = 209,348,827.59/20,230.04
  6. Step 6: Final answer
    x = 10,348.42

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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.