Home / 9,638.60-14,450.70-4,087.40

Finding the Fourth Proportional to 9,638.60, 14,450.70 and 4,087.40

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Solution

The fourth proportional to 9,638.60, 14,450.70 and 4,087.40 is: 6,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.60 : 14,450.70 = 4,087.40 : x
  2. Step 2: Convert to fraction form
    9,638.60/14,450.70 = 4,087.40/x
  3. Step 3: Cross multiply
    9,638.60x = 14,450.70 × 4,087.40
  4. Step 4: Simplify right side
    9,638.60x = 59,065,791.18
  5. Step 5: Solve for x
    x = 59,065,791.18/9,638.60
  6. Step 6: Final answer
    x = 6,128.05

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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.