Home / 16,919.78-23,349.42-9,366.32

Finding the Fourth Proportional to 16,919.78, 23,349.42 and 9,366.32

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Solution

The fourth proportional to 16,919.78, 23,349.42 and 9,366.32 is: 12,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.78 : 23,349.42 = 9,366.32 : x
  2. Step 2: Convert to fraction form
    16,919.78/23,349.42 = 9,366.32/x
  3. Step 3: Cross multiply
    16,919.78x = 23,349.42 × 9,366.32
  4. Step 4: Simplify right side
    16,919.78x = 218,698,139.53
  5. Step 5: Solve for x
    x = 218,698,139.53/16,919.78
  6. Step 6: Final answer
    x = 12,925.59

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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.