Home / 10,813.36-16,220.02-2,605.36

Finding the Fourth Proportional to 10,813.36, 16,220.02 and 2,605.36

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Solution

The fourth proportional to 10,813.36, 16,220.02 and 2,605.36 is: 3,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.36 : 16,220.02 = 2,605.36 : x
  2. Step 2: Convert to fraction form
    10,813.36/16,220.02 = 2,605.36/x
  3. Step 3: Cross multiply
    10,813.36x = 16,220.02 × 2,605.36
  4. Step 4: Simplify right side
    10,813.36x = 42,258,991.31
  5. Step 5: Solve for x
    x = 42,258,991.31/10,813.36
  6. Step 6: Final answer
    x = 3,908.04

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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.