Home / 9,627.21-13,278.20-6,648.03

Finding the Fourth Proportional to 9,627.21, 13,278.20 and 6,648.03

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Solution

The fourth proportional to 9,627.21, 13,278.20 and 6,648.03 is: 9,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627.21 : 13,278.20 = 6,648.03 : x
  2. Step 2: Convert to fraction form
    9,627.21/13,278.20 = 6,648.03/x
  3. Step 3: Cross multiply
    9,627.21x = 13,278.20 × 6,648.03
  4. Step 4: Simplify right side
    9,627.21x = 88,273,838.71
  5. Step 5: Solve for x
    x = 88,273,838.71/9,627.21
  6. Step 6: Final answer
    x = 9,169.20

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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.