Home / 15,285.62-22,909.26-8,265.36

Finding the Fourth Proportional to 15,285.62, 22,909.26 and 8,265.36

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Solution

The fourth proportional to 15,285.62, 22,909.26 and 8,265.36 is: 12,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.62 : 22,909.26 = 8,265.36 : x
  2. Step 2: Convert to fraction form
    15,285.62/22,909.26 = 8,265.36/x
  3. Step 3: Cross multiply
    15,285.62x = 22,909.26 × 8,265.36
  4. Step 4: Simplify right side
    15,285.62x = 189,353,281.23
  5. Step 5: Solve for x
    x = 189,353,281.23/15,285.62
  6. Step 6: Final answer
    x = 12,387.67

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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.