Home / 9,161.33-12,642.63-5,182.36

Finding the Fourth Proportional to 9,161.33, 12,642.63 and 5,182.36

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Solution

The fourth proportional to 9,161.33, 12,642.63 and 5,182.36 is: 7,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.33 : 12,642.63 = 5,182.36 : x
  2. Step 2: Convert to fraction form
    9,161.33/12,642.63 = 5,182.36/x
  3. Step 3: Cross multiply
    9,161.33x = 12,642.63 × 5,182.36
  4. Step 4: Simplify right side
    9,161.33x = 65,518,660.01
  5. Step 5: Solve for x
    x = 65,518,660.01/9,161.33
  6. Step 6: Final answer
    x = 7,151.65

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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.