Home / 9,638.11-13,302.81-6,275.07

Finding the Fourth Proportional to 9,638.11, 13,302.81 and 6,275.07

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Solution

The fourth proportional to 9,638.11, 13,302.81 and 6,275.07 is: 8,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.11 : 13,302.81 = 6,275.07 : x
  2. Step 2: Convert to fraction form
    9,638.11/13,302.81 = 6,275.07/x
  3. Step 3: Cross multiply
    9,638.11x = 13,302.81 × 6,275.07
  4. Step 4: Simplify right side
    9,638.11x = 83,476,063.95
  5. Step 5: Solve for x
    x = 83,476,063.95/9,638.11
  6. Step 6: Final answer
    x = 8,661.04

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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.