Home / 15,313.22-21,132.24-8,944.22

Finding the Fourth Proportional to 15,313.22, 21,132.24 and 8,944.22

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Solution

The fourth proportional to 15,313.22, 21,132.24 and 8,944.22 is: 12,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.22 : 21,132.24 = 8,944.22 : x
  2. Step 2: Convert to fraction form
    15,313.22/21,132.24 = 8,944.22/x
  3. Step 3: Cross multiply
    15,313.22x = 21,132.24 × 8,944.22
  4. Step 4: Simplify right side
    15,313.22x = 189,011,403.65
  5. Step 5: Solve for x
    x = 189,011,403.65/15,313.22
  6. Step 6: Final answer
    x = 12,343.02

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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.