Home / 9,153.72-13,708.56-8,694.36

Finding the Fourth Proportional to 9,153.72, 13,708.56 and 8,694.36

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Solution

The fourth proportional to 9,153.72, 13,708.56 and 8,694.36 is: 13,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.72 : 13,708.56 = 8,694.36 : x
  2. Step 2: Convert to fraction form
    9,153.72/13,708.56 = 8,694.36/x
  3. Step 3: Cross multiply
    9,153.72x = 13,708.56 × 8,694.36
  4. Step 4: Simplify right side
    9,153.72x = 119,187,155.72
  5. Step 5: Solve for x
    x = 119,187,155.72/9,153.72
  6. Step 6: Final answer
    x = 13,020.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.