Home / 9,717.57-13,415.82-6,535.49

Finding the Fourth Proportional to 9,717.57, 13,415.82 and 6,535.49

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Solution

The fourth proportional to 9,717.57, 13,415.82 and 6,535.49 is: 9,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.57 : 13,415.82 = 6,535.49 : x
  2. Step 2: Convert to fraction form
    9,717.57/13,415.82 = 6,535.49/x
  3. Step 3: Cross multiply
    9,717.57x = 13,415.82 × 6,535.49
  4. Step 4: Simplify right side
    9,717.57x = 87,678,957.45
  5. Step 5: Solve for x
    x = 87,678,957.45/9,717.57
  6. Step 6: Final answer
    x = 9,022.72

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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.