Home / 9,623.28-13,279.56-6,214.32

Finding the Fourth Proportional to 9,623.28, 13,279.56 and 6,214.32

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Solution

The fourth proportional to 9,623.28, 13,279.56 and 6,214.32 is: 8,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.28 : 13,279.56 = 6,214.32 : x
  2. Step 2: Convert to fraction form
    9,623.28/13,279.56 = 6,214.32/x
  3. Step 3: Cross multiply
    9,623.28x = 13,279.56 × 6,214.32
  4. Step 4: Simplify right side
    9,623.28x = 82,523,435.30
  5. Step 5: Solve for x
    x = 82,523,435.30/9,623.28
  6. Step 6: Final answer
    x = 8,575.40

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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.