Home / 16,919.55-23,348.61-9,365.45

Finding the Fourth Proportional to 16,919.55, 23,348.61 and 9,365.45

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Solution

The fourth proportional to 16,919.55, 23,348.61 and 9,365.45 is: 12,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.55 : 23,348.61 = 9,365.45 : x
  2. Step 2: Convert to fraction form
    16,919.55/23,348.61 = 9,365.45/x
  3. Step 3: Cross multiply
    16,919.55x = 23,348.61 × 9,365.45
  4. Step 4: Simplify right side
    16,919.55x = 218,670,122.78
  5. Step 5: Solve for x
    x = 218,670,122.78/16,919.55
  6. Step 6: Final answer
    x = 12,924.11

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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.