Home / 15,664.08-21,616.94-8,948.28

Finding the Fourth Proportional to 15,664.08, 21,616.94 and 8,948.28

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Solution

The fourth proportional to 15,664.08, 21,616.94 and 8,948.28 is: 12,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.08 : 21,616.94 = 8,948.28 : x
  2. Step 2: Convert to fraction form
    15,664.08/21,616.94 = 8,948.28/x
  3. Step 3: Cross multiply
    15,664.08x = 21,616.94 × 8,948.28
  4. Step 4: Simplify right side
    15,664.08x = 193,434,431.86
  5. Step 5: Solve for x
    x = 193,434,431.86/15,664.08
  6. Step 6: Final answer
    x = 12,348.92

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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.