Home / 15,511.65-23,267.48-4,418.70

Finding the Fourth Proportional to 15,511.65, 23,267.48 and 4,418.70

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Solution

The fourth proportional to 15,511.65, 23,267.48 and 4,418.70 is: 6,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.65 : 23,267.48 = 4,418.70 : x
  2. Step 2: Convert to fraction form
    15,511.65/23,267.48 = 4,418.70/x
  3. Step 3: Cross multiply
    15,511.65x = 23,267.48 × 4,418.70
  4. Step 4: Simplify right side
    15,511.65x = 102,811,991.78
  5. Step 5: Solve for x
    x = 102,811,991.78/15,511.65
  6. Step 6: Final answer
    x = 6,628.05

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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.