Home / 9,394.47-12,955.82-6,740.91

Finding the Fourth Proportional to 9,394.47, 12,955.82 and 6,740.91

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Solution

The fourth proportional to 9,394.47, 12,955.82 and 6,740.91 is: 9,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.47 : 12,955.82 = 6,740.91 : x
  2. Step 2: Convert to fraction form
    9,394.47/12,955.82 = 6,740.91/x
  3. Step 3: Cross multiply
    9,394.47x = 12,955.82 × 6,740.91
  4. Step 4: Simplify right side
    9,394.47x = 87,333,982.89
  5. Step 5: Solve for x
    x = 87,333,982.89/9,394.47
  6. Step 6: Final answer
    x = 9,296.32

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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.