Home / 20,364.62-30,530.52-9,265.59

Finding the Fourth Proportional to 20,364.62, 30,530.52 and 9,265.59

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Solution

The fourth proportional to 20,364.62, 30,530.52 and 9,265.59 is: 13,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.62 : 30,530.52 = 9,265.59 : x
  2. Step 2: Convert to fraction form
    20,364.62/30,530.52 = 9,265.59/x
  3. Step 3: Cross multiply
    20,364.62x = 30,530.52 × 9,265.59
  4. Step 4: Simplify right side
    20,364.62x = 282,883,280.81
  5. Step 5: Solve for x
    x = 282,883,280.81/20,364.62
  6. Step 6: Final answer
    x = 13,890.92

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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.