Home / 12,702.96-19,055.70-5,309.73

Finding the Fourth Proportional to 12,702.96, 19,055.70 and 5,309.73

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Solution

The fourth proportional to 12,702.96, 19,055.70 and 5,309.73 is: 7,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.96 : 19,055.70 = 5,309.73 : x
  2. Step 2: Convert to fraction form
    12,702.96/19,055.70 = 5,309.73/x
  3. Step 3: Cross multiply
    12,702.96x = 19,055.70 × 5,309.73
  4. Step 4: Simplify right side
    12,702.96x = 101,180,621.96
  5. Step 5: Solve for x
    x = 101,180,621.96/12,702.96
  6. Step 6: Final answer
    x = 7,965.12

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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.