Home / 15,601.43-21,527.48-8,887.19

Finding the Fourth Proportional to 15,601.43, 21,527.48 and 8,887.19

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Solution

The fourth proportional to 15,601.43, 21,527.48 and 8,887.19 is: 12,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.43 : 21,527.48 = 8,887.19 : x
  2. Step 2: Convert to fraction form
    15,601.43/21,527.48 = 8,887.19/x
  3. Step 3: Cross multiply
    15,601.43x = 21,527.48 × 8,887.19
  4. Step 4: Simplify right side
    15,601.43x = 191,318,719.56
  5. Step 5: Solve for x
    x = 191,318,719.56/15,601.43
  6. Step 6: Final answer
    x = 12,262.89

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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.