Home / 13,308.24-19,961.88-6,285.72

Finding the Fourth Proportional to 13,308.24, 19,961.88 and 6,285.72

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Solution

The fourth proportional to 13,308.24, 19,961.88 and 6,285.72 is: 9,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.24 : 19,961.88 = 6,285.72 : x
  2. Step 2: Convert to fraction form
    13,308.24/19,961.88 = 6,285.72/x
  3. Step 3: Cross multiply
    13,308.24x = 19,961.88 × 6,285.72
  4. Step 4: Simplify right side
    13,308.24x = 125,474,788.35
  5. Step 5: Solve for x
    x = 125,474,788.35/13,308.24
  6. Step 6: Final answer
    x = 9,428.35

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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.