Home / 22,555.77-33,811.34-10,688.70

Finding the Fourth Proportional to 22,555.77, 33,811.34 and 10,688.70

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Solution

The fourth proportional to 22,555.77, 33,811.34 and 10,688.70 is: 16,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.77 : 33,811.34 = 10,688.70 : x
  2. Step 2: Convert to fraction form
    22,555.77/33,811.34 = 10,688.70/x
  3. Step 3: Cross multiply
    22,555.77x = 33,811.34 × 10,688.70
  4. Step 4: Simplify right side
    22,555.77x = 361,399,216.41
  5. Step 5: Solve for x
    x = 361,399,216.41/22,555.77
  6. Step 6: Final answer
    x = 16,022.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.