Home / 16,669.28-25,006.40-6,138.49

Finding the Fourth Proportional to 16,669.28, 25,006.40 and 6,138.49

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Solution

The fourth proportional to 16,669.28, 25,006.40 and 6,138.49 is: 9,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,669.28 : 25,006.40 = 6,138.49 : x
  2. Step 2: Convert to fraction form
    16,669.28/25,006.40 = 6,138.49/x
  3. Step 3: Cross multiply
    16,669.28x = 25,006.40 × 6,138.49
  4. Step 4: Simplify right side
    16,669.28x = 153,501,459.97
  5. Step 5: Solve for x
    x = 153,501,459.97/16,669.28
  6. Step 6: Final answer
    x = 9,208.65

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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.