Home / 9,708.18-13,383.15-6,866.70

Finding the Fourth Proportional to 9,708.18, 13,383.15 and 6,866.70

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Solution

The fourth proportional to 9,708.18, 13,383.15 and 6,866.70 is: 9,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.18 : 13,383.15 = 6,866.70 : x
  2. Step 2: Convert to fraction form
    9,708.18/13,383.15 = 6,866.70/x
  3. Step 3: Cross multiply
    9,708.18x = 13,383.15 × 6,866.70
  4. Step 4: Simplify right side
    9,708.18x = 91,898,076.11
  5. Step 5: Solve for x
    x = 91,898,076.11/9,708.18
  6. Step 6: Final answer
    x = 9,466.05

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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.