Home / 15,150.67-20,908.94-9,182.93

Finding the Fourth Proportional to 15,150.67, 20,908.94 and 9,182.93

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Solution

The fourth proportional to 15,150.67, 20,908.94 and 9,182.93 is: 12,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.67 : 20,908.94 = 9,182.93 : x
  2. Step 2: Convert to fraction form
    15,150.67/20,908.94 = 9,182.93/x
  3. Step 3: Cross multiply
    15,150.67x = 20,908.94 × 9,182.93
  4. Step 4: Simplify right side
    15,150.67x = 192,005,332.39
  5. Step 5: Solve for x
    x = 192,005,332.39/15,150.67
  6. Step 6: Final answer
    x = 12,673.06

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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.