Home / 11,319.21-15,620.22-6,283.28

Finding the Fourth Proportional to 11,319.21, 15,620.22 and 6,283.28

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Solution

The fourth proportional to 11,319.21, 15,620.22 and 6,283.28 is: 8,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.21 : 15,620.22 = 6,283.28 : x
  2. Step 2: Convert to fraction form
    11,319.21/15,620.22 = 6,283.28/x
  3. Step 3: Cross multiply
    11,319.21x = 15,620.22 × 6,283.28
  4. Step 4: Simplify right side
    11,319.21x = 98,146,215.92
  5. Step 5: Solve for x
    x = 98,146,215.92/11,319.21
  6. Step 6: Final answer
    x = 8,670.77

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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.