Home / 13,084.64-18,058.56-8,370.08

Finding the Fourth Proportional to 13,084.64, 18,058.56 and 8,370.08

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Solution

The fourth proportional to 13,084.64, 18,058.56 and 8,370.08 is: 11,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.64 : 18,058.56 = 8,370.08 : x
  2. Step 2: Convert to fraction form
    13,084.64/18,058.56 = 8,370.08/x
  3. Step 3: Cross multiply
    13,084.64x = 18,058.56 × 8,370.08
  4. Step 4: Simplify right side
    13,084.64x = 151,151,591.88
  5. Step 5: Solve for x
    x = 151,151,591.88/13,084.64
  6. Step 6: Final answer
    x = 11,551.83

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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.