Home / 9,153.81-13,732.94-3,605.51

Finding the Fourth Proportional to 9,153.81, 13,732.94 and 3,605.51

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Solution

The fourth proportional to 9,153.81, 13,732.94 and 3,605.51 is: 5,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.81 : 13,732.94 = 3,605.51 : x
  2. Step 2: Convert to fraction form
    9,153.81/13,732.94 = 3,605.51/x
  3. Step 3: Cross multiply
    9,153.81x = 13,732.94 × 3,605.51
  4. Step 4: Simplify right side
    9,153.81x = 49,514,295.85
  5. Step 5: Solve for x
    x = 49,514,295.85/9,153.81
  6. Step 6: Final answer
    x = 5,409.15

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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.