Home / 13,268.40-19,903.20-4,384.52

Finding the Fourth Proportional to 13,268.40, 19,903.20 and 4,384.52

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Solution

The fourth proportional to 13,268.40, 19,903.20 and 4,384.52 is: 6,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.40 : 19,903.20 = 4,384.52 : x
  2. Step 2: Convert to fraction form
    13,268.40/19,903.20 = 4,384.52/x
  3. Step 3: Cross multiply
    13,268.40x = 19,903.20 × 4,384.52
  4. Step 4: Simplify right side
    13,268.40x = 87,265,978.46
  5. Step 5: Solve for x
    x = 87,265,978.46/13,268.40
  6. Step 6: Final answer
    x = 6,576.98

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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.