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Finding the Fourth Proportional to 15,602.82, 21,530.84 and 8,529.26

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Solution

The fourth proportional to 15,602.82, 21,530.84 and 8,529.26 is: 11,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.82 : 21,530.84 = 8,529.26 : x
  2. Step 2: Convert to fraction form
    15,602.82/21,530.84 = 8,529.26/x
  3. Step 3: Cross multiply
    15,602.82x = 21,530.84 × 8,529.26
  4. Step 4: Simplify right side
    15,602.82x = 183,642,132.38
  5. Step 5: Solve for x
    x = 183,642,132.38/15,602.82
  6. Step 6: Final answer
    x = 11,769.80

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Double scale
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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.