Home / 11,206.31-16,809.47-3,415.13

Finding the Fourth Proportional to 11,206.31, 16,809.47 and 3,415.13

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Solution

The fourth proportional to 11,206.31, 16,809.47 and 3,415.13 is: 5,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.31 : 16,809.47 = 3,415.13 : x
  2. Step 2: Convert to fraction form
    11,206.31/16,809.47 = 3,415.13/x
  3. Step 3: Cross multiply
    11,206.31x = 16,809.47 × 3,415.13
  4. Step 4: Simplify right side
    11,206.31x = 57,406,525.28
  5. Step 5: Solve for x
    x = 57,406,525.28/11,206.31
  6. Step 6: Final answer
    x = 5,122.70

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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.