Home / 13,307.52-19,961.28-4,072.32

Finding the Fourth Proportional to 13,307.52, 19,961.28 and 4,072.32

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Solution

The fourth proportional to 13,307.52, 19,961.28 and 4,072.32 is: 6,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.52 : 19,961.28 = 4,072.32 : x
  2. Step 2: Convert to fraction form
    13,307.52/19,961.28 = 4,072.32/x
  3. Step 3: Cross multiply
    13,307.52x = 19,961.28 × 4,072.32
  4. Step 4: Simplify right side
    13,307.52x = 81,288,719.77
  5. Step 5: Solve for x
    x = 81,288,719.77/13,307.52
  6. Step 6: Final answer
    x = 6,108.48

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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.