Home / 15,573.82-21,491.79-8,500.23

Finding the Fourth Proportional to 15,573.82, 21,491.79 and 8,500.23

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Solution

The fourth proportional to 15,573.82, 21,491.79 and 8,500.23 is: 11,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.82 : 21,491.79 = 8,500.23 : x
  2. Step 2: Convert to fraction form
    15,573.82/21,491.79 = 8,500.23/x
  3. Step 3: Cross multiply
    15,573.82x = 21,491.79 × 8,500.23
  4. Step 4: Simplify right side
    15,573.82x = 182,685,158.11
  5. Step 5: Solve for x
    x = 182,685,158.11/15,573.82
  6. Step 6: Final answer
    x = 11,730.27

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Double scale
Find fourth proportional to 15,574.82, 21,493.17 and 8,501.23
Similar ratio
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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.