Home / 16,138.37-22,275.60-9,764.99

Finding the Fourth Proportional to 16,138.37, 22,275.60 and 9,764.99

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Solution

The fourth proportional to 16,138.37, 22,275.60 and 9,764.99 is: 13,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.37 : 22,275.60 = 9,764.99 : x
  2. Step 2: Convert to fraction form
    16,138.37/22,275.60 = 9,764.99/x
  3. Step 3: Cross multiply
    16,138.37x = 22,275.60 × 9,764.99
  4. Step 4: Simplify right side
    16,138.37x = 217,520,899.87
  5. Step 5: Solve for x
    x = 217,520,899.87/16,138.37
  6. Step 6: Final answer
    x = 13,478.50

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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.