Home / 16,043.18-22,130.70-9,328.06

Finding the Fourth Proportional to 16,043.18, 22,130.70 and 9,328.06

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Solution

The fourth proportional to 16,043.18, 22,130.70 and 9,328.06 is: 12,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,043.18 : 22,130.70 = 9,328.06 : x
  2. Step 2: Convert to fraction form
    16,043.18/22,130.70 = 9,328.06/x
  3. Step 3: Cross multiply
    16,043.18x = 22,130.70 × 9,328.06
  4. Step 4: Simplify right side
    16,043.18x = 206,436,529.45
  5. Step 5: Solve for x
    x = 206,436,529.45/16,043.18
  6. Step 6: Final answer
    x = 12,867.56

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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.