Home / 11,018.75-16,528.13-2,810.75

Finding the Fourth Proportional to 11,018.75, 16,528.13 and 2,810.75

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Solution

The fourth proportional to 11,018.75, 16,528.13 and 2,810.75 is: 4,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.75 : 16,528.13 = 2,810.75 : x
  2. Step 2: Convert to fraction form
    11,018.75/16,528.13 = 2,810.75/x
  3. Step 3: Cross multiply
    11,018.75x = 16,528.13 × 2,810.75
  4. Step 4: Simplify right side
    11,018.75x = 46,456,441.40
  5. Step 5: Solve for x
    x = 46,456,441.40/11,018.75
  6. Step 6: Final answer
    x = 4,216.13

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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.