Home / 11,020.02-16,531.08-3,122.70

Finding the Fourth Proportional to 11,020.02, 16,531.08 and 3,122.70

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Solution

The fourth proportional to 11,020.02, 16,531.08 and 3,122.70 is: 4,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.02 : 16,531.08 = 3,122.70 : x
  2. Step 2: Convert to fraction form
    11,020.02/16,531.08 = 3,122.70/x
  3. Step 3: Cross multiply
    11,020.02x = 16,531.08 × 3,122.70
  4. Step 4: Simplify right side
    11,020.02x = 51,621,603.52
  5. Step 5: Solve for x
    x = 51,621,603.52/11,020.02
  6. Step 6: Final answer
    x = 4,684.35

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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.