Home / 15,573.06-21,491.37-8,499.96

Finding the Fourth Proportional to 15,573.06, 21,491.37 and 8,499.96

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Solution

The fourth proportional to 15,573.06, 21,491.37 and 8,499.96 is: 11,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.06 : 21,491.37 = 8,499.96 : x
  2. Step 2: Convert to fraction form
    15,573.06/21,491.37 = 8,499.96/x
  3. Step 3: Cross multiply
    15,573.06x = 21,491.37 × 8,499.96
  4. Step 4: Simplify right side
    15,573.06x = 182,675,785.35
  5. Step 5: Solve for x
    x = 182,675,785.35/15,573.06
  6. Step 6: Final answer
    x = 11,730.24

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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.