Home / 15,574.08-21,491.82-8,500.62

Finding the Fourth Proportional to 15,574.08, 21,491.82 and 8,500.62

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Solution

The fourth proportional to 15,574.08, 21,491.82 and 8,500.62 is: 11,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.08 : 21,491.82 = 8,500.62 : x
  2. Step 2: Convert to fraction form
    15,574.08/21,491.82 = 8,500.62/x
  3. Step 3: Cross multiply
    15,574.08x = 21,491.82 × 8,500.62
  4. Step 4: Simplify right side
    15,574.08x = 182,693,794.93
  5. Step 5: Solve for x
    x = 182,693,794.93/15,574.08
  6. Step 6: Final answer
    x = 11,730.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.