Home / 20,590.27-30,890.54-9,504.70

Finding the Fourth Proportional to 20,590.27, 30,890.54 and 9,504.70

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Solution

The fourth proportional to 20,590.27, 30,890.54 and 9,504.70 is: 14,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590.27 : 30,890.54 = 9,504.70 : x
  2. Step 2: Convert to fraction form
    20,590.27/30,890.54 = 9,504.70/x
  3. Step 3: Cross multiply
    20,590.27x = 30,890.54 × 9,504.70
  4. Step 4: Simplify right side
    20,590.27x = 293,605,262.07
  5. Step 5: Solve for x
    x = 293,605,262.07/20,590.27
  6. Step 6: Final answer
    x = 14,259.42

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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.