Home / 9,425.27-13,009.93-6,780.38

Finding the Fourth Proportional to 9,425.27, 13,009.93 and 6,780.38

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Solution

The fourth proportional to 9,425.27, 13,009.93 and 6,780.38 is: 9,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.27 : 13,009.93 = 6,780.38 : x
  2. Step 2: Convert to fraction form
    9,425.27/13,009.93 = 6,780.38/x
  3. Step 3: Cross multiply
    9,425.27x = 13,009.93 × 6,780.38
  4. Step 4: Simplify right side
    9,425.27x = 88,212,187.17
  5. Step 5: Solve for x
    x = 88,212,187.17/9,425.27
  6. Step 6: Final answer
    x = 9,359.11

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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.