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Finding the Fourth Proportional to 15,967.57, 22,035.93 and 8,893.99

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Solution

The fourth proportional to 15,967.57, 22,035.93 and 8,893.99 is: 12,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.57 : 22,035.93 = 8,893.99 : x
  2. Step 2: Convert to fraction form
    15,967.57/22,035.93 = 8,893.99/x
  3. Step 3: Cross multiply
    15,967.57x = 22,035.93 × 8,893.99
  4. Step 4: Simplify right side
    15,967.57x = 195,987,341.06
  5. Step 5: Solve for x
    x = 195,987,341.06/15,967.57
  6. Step 6: Final answer
    x = 12,274.09

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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.