Home / 16,354.56-22,571.64-9,279.48

Finding the Fourth Proportional to 16,354.56, 22,571.64 and 9,279.48

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Solution

The fourth proportional to 16,354.56, 22,571.64 and 9,279.48 is: 12,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,354.56 : 22,571.64 = 9,279.48 : x
  2. Step 2: Convert to fraction form
    16,354.56/22,571.64 = 9,279.48/x
  3. Step 3: Cross multiply
    16,354.56x = 22,571.64 × 9,279.48
  4. Step 4: Simplify right side
    16,354.56x = 209,453,081.95
  5. Step 5: Solve for x
    x = 209,453,081.95/16,354.56
  6. Step 6: Final answer
    x = 12,807.01

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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.