Home / 13,261.02-19,891.50-4,940.85

Finding the Fourth Proportional to 13,261.02, 19,891.50 and 4,940.85

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Solution

The fourth proportional to 13,261.02, 19,891.50 and 4,940.85 is: 7,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.02 : 19,891.50 = 4,940.85 : x
  2. Step 2: Convert to fraction form
    13,261.02/19,891.50 = 4,940.85/x
  3. Step 3: Cross multiply
    13,261.02x = 19,891.50 × 4,940.85
  4. Step 4: Simplify right side
    13,261.02x = 98,280,917.78
  5. Step 5: Solve for x
    x = 98,280,917.78/13,261.02
  6. Step 6: Final answer
    x = 7,411.26

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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.