Home / 9,946.40-13,725.65-5,469.89

Finding the Fourth Proportional to 9,946.40, 13,725.65 and 5,469.89

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Solution

The fourth proportional to 9,946.40, 13,725.65 and 5,469.89 is: 7,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946.40 : 13,725.65 = 5,469.89 : x
  2. Step 2: Convert to fraction form
    9,946.40/13,725.65 = 5,469.89/x
  3. Step 3: Cross multiply
    9,946.40x = 13,725.65 × 5,469.89
  4. Step 4: Simplify right side
    9,946.40x = 75,077,740.72
  5. Step 5: Solve for x
    x = 75,077,740.72/9,946.40
  6. Step 6: Final answer
    x = 7,548.24

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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.