Home / 13,156.36-19,732.61-4,270.52

Finding the Fourth Proportional to 13,156.36, 19,732.61 and 4,270.52

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Solution

The fourth proportional to 13,156.36, 19,732.61 and 4,270.52 is: 6,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.36 : 19,732.61 = 4,270.52 : x
  2. Step 2: Convert to fraction form
    13,156.36/19,732.61 = 4,270.52/x
  3. Step 3: Cross multiply
    13,156.36x = 19,732.61 × 4,270.52
  4. Step 4: Simplify right side
    13,156.36x = 84,268,565.67
  5. Step 5: Solve for x
    x = 84,268,565.67/13,156.36
  6. Step 6: Final answer
    x = 6,405.16

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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.