Home / 13,141.01-19,711.53-3,280.28

Finding the Fourth Proportional to 13,141.01, 19,711.53 and 3,280.28

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Solution

The fourth proportional to 13,141.01, 19,711.53 and 3,280.28 is: 4,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.01 : 19,711.53 = 3,280.28 : x
  2. Step 2: Convert to fraction form
    13,141.01/19,711.53 = 3,280.28/x
  3. Step 3: Cross multiply
    13,141.01x = 19,711.53 × 3,280.28
  4. Step 4: Simplify right side
    13,141.01x = 64,659,239.07
  5. Step 5: Solve for x
    x = 64,659,239.07/13,141.01
  6. Step 6: Final answer
    x = 4,920.42

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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.