Home / 11,319.30-15,620.50-6,283.56

Finding the Fourth Proportional to 11,319.30, 15,620.50 and 6,283.56

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Solution

The fourth proportional to 11,319.30, 15,620.50 and 6,283.56 is: 8,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.30 : 15,620.50 = 6,283.56 : x
  2. Step 2: Convert to fraction form
    11,319.30/15,620.50 = 6,283.56/x
  3. Step 3: Cross multiply
    11,319.30x = 15,620.50 × 6,283.56
  4. Step 4: Simplify right side
    11,319.30x = 98,152,348.98
  5. Step 5: Solve for x
    x = 98,152,348.98/11,319.30
  6. Step 6: Final answer
    x = 8,671.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.