Home / 16,919.25-23,345.32-9,365.23

Finding the Fourth Proportional to 16,919.25, 23,345.32 and 9,365.23

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Solution

The fourth proportional to 16,919.25, 23,345.32 and 9,365.23 is: 12,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.25 : 23,345.32 = 9,365.23 : x
  2. Step 2: Convert to fraction form
    16,919.25/23,345.32 = 9,365.23/x
  3. Step 3: Cross multiply
    16,919.25x = 23,345.32 × 9,365.23
  4. Step 4: Simplify right side
    16,919.25x = 218,634,291.22
  5. Step 5: Solve for x
    x = 218,634,291.22/16,919.25
  6. Step 6: Final answer
    x = 12,922.22

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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.