Home / 15,605.82-21,536.04-8,532.90

Finding the Fourth Proportional to 15,605.82, 21,536.04 and 8,532.90

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Solution

The fourth proportional to 15,605.82, 21,536.04 and 8,532.90 is: 11,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.82 : 21,536.04 = 8,532.90 : x
  2. Step 2: Convert to fraction form
    15,605.82/21,536.04 = 8,532.90/x
  3. Step 3: Cross multiply
    15,605.82x = 21,536.04 × 8,532.90
  4. Step 4: Simplify right side
    15,605.82x = 183,764,875.72
  5. Step 5: Solve for x
    x = 183,764,875.72/15,605.82
  6. Step 6: Final answer
    x = 11,775.41

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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.