Home / 13,378.64-20,057.02-5,053.94

Finding the Fourth Proportional to 13,378.64, 20,057.02 and 5,053.94

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Solution

The fourth proportional to 13,378.64, 20,057.02 and 5,053.94 is: 7,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.64 : 20,057.02 = 5,053.94 : x
  2. Step 2: Convert to fraction form
    13,378.64/20,057.02 = 5,053.94/x
  3. Step 3: Cross multiply
    13,378.64x = 20,057.02 × 5,053.94
  4. Step 4: Simplify right side
    13,378.64x = 101,366,862.74
  5. Step 5: Solve for x
    x = 101,366,862.74/13,378.64
  6. Step 6: Final answer
    x = 7,576.77

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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.