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Finding the Fourth Proportional to 9,573.90, 14,361.11 and 2,648.40

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Solution

The fourth proportional to 9,573.90, 14,361.11 and 2,648.40 is: 3,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,573.90 : 14,361.11 = 2,648.40 : x
  2. Step 2: Convert to fraction form
    9,573.90/14,361.11 = 2,648.40/x
  3. Step 3: Cross multiply
    9,573.90x = 14,361.11 × 2,648.40
  4. Step 4: Simplify right side
    9,573.90x = 38,033,963.72
  5. Step 5: Solve for x
    x = 38,033,963.72/9,573.90
  6. Step 6: Final answer
    x = 3,972.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.