Home / 20,594.08-30,890.88-5,011.72

Finding the Fourth Proportional to 20,594.08, 30,890.88 and 5,011.72

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Solution

The fourth proportional to 20,594.08, 30,890.88 and 5,011.72 is: 7,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.08 : 30,890.88 = 5,011.72 : x
  2. Step 2: Convert to fraction form
    20,594.08/30,890.88 = 5,011.72/x
  3. Step 3: Cross multiply
    20,594.08x = 30,890.88 × 5,011.72
  4. Step 4: Simplify right side
    20,594.08x = 154,816,441.11
  5. Step 5: Solve for x
    x = 154,816,441.11/20,594.08
  6. Step 6: Final answer
    x = 7,517.52

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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.