Home / 16,043.09-22,140.32-9,671.72

Finding the Fourth Proportional to 16,043.09, 22,140.32 and 9,671.72

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Solution

The fourth proportional to 16,043.09, 22,140.32 and 9,671.72 is: 13,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,043.09 : 22,140.32 = 9,671.72 : x
  2. Step 2: Convert to fraction form
    16,043.09/22,140.32 = 9,671.72/x
  3. Step 3: Cross multiply
    16,043.09x = 22,140.32 × 9,671.72
  4. Step 4: Simplify right side
    16,043.09x = 214,134,816.69
  5. Step 5: Solve for x
    x = 214,134,816.69/16,043.09
  6. Step 6: Final answer
    x = 13,347.48

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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.