Home / 13,488.88-20,234.94-4,605.70

Finding the Fourth Proportional to 13,488.88, 20,234.94 and 4,605.70

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Solution

The fourth proportional to 13,488.88, 20,234.94 and 4,605.70 is: 6,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.88 : 20,234.94 = 4,605.70 : x
  2. Step 2: Convert to fraction form
    13,488.88/20,234.94 = 4,605.70/x
  3. Step 3: Cross multiply
    13,488.88x = 20,234.94 × 4,605.70
  4. Step 4: Simplify right side
    13,488.88x = 93,196,063.16
  5. Step 5: Solve for x
    x = 93,196,063.16/13,488.88
  6. Step 6: Final answer
    x = 6,909.10

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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.