Home / 15,446.57-21,316.32-8,373.02

Finding the Fourth Proportional to 15,446.57, 21,316.32 and 8,373.02

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Solution

The fourth proportional to 15,446.57, 21,316.32 and 8,373.02 is: 11,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.57 : 21,316.32 = 8,373.02 : x
  2. Step 2: Convert to fraction form
    15,446.57/21,316.32 = 8,373.02/x
  3. Step 3: Cross multiply
    15,446.57x = 21,316.32 × 8,373.02
  4. Step 4: Simplify right side
    15,446.57x = 178,481,867.10
  5. Step 5: Solve for x
    x = 178,481,867.10/15,446.57
  6. Step 6: Final answer
    x = 11,554.79

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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.