Home / 9,938.46-13,721.10-6,584.13

Finding the Fourth Proportional to 9,938.46, 13,721.10 and 6,584.13

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Solution

The fourth proportional to 9,938.46, 13,721.10 and 6,584.13 is: 9,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.46 : 13,721.10 = 6,584.13 : x
  2. Step 2: Convert to fraction form
    9,938.46/13,721.10 = 6,584.13/x
  3. Step 3: Cross multiply
    9,938.46x = 13,721.10 × 6,584.13
  4. Step 4: Simplify right side
    9,938.46x = 90,341,506.14
  5. Step 5: Solve for x
    x = 90,341,506.14/9,938.46
  6. Step 6: Final answer
    x = 9,090.09

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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.