Home / 13,298.58-19,960.11-6,729.39

Finding the Fourth Proportional to 13,298.58, 19,960.11 and 6,729.39

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Solution

The fourth proportional to 13,298.58, 19,960.11 and 6,729.39 is: 10,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.58 : 19,960.11 = 6,729.39 : x
  2. Step 2: Convert to fraction form
    13,298.58/19,960.11 = 6,729.39/x
  3. Step 3: Cross multiply
    13,298.58x = 19,960.11 × 6,729.39
  4. Step 4: Simplify right side
    13,298.58x = 134,319,364.63
  5. Step 5: Solve for x
    x = 134,319,364.63/13,298.58
  6. Step 6: Final answer
    x = 10,100.28

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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.