Home / 16,879.40-23,293.32-9,709.10

Finding the Fourth Proportional to 16,879.40, 23,293.32 and 9,709.10

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Solution

The fourth proportional to 16,879.40, 23,293.32 and 9,709.10 is: 13,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.40 : 23,293.32 = 9,709.10 : x
  2. Step 2: Convert to fraction form
    16,879.40/23,293.32 = 9,709.10/x
  3. Step 3: Cross multiply
    16,879.40x = 23,293.32 × 9,709.10
  4. Step 4: Simplify right side
    16,879.40x = 226,157,173.21
  5. Step 5: Solve for x
    x = 226,157,173.21/16,879.40
  6. Step 6: Final answer
    x = 13,398.41

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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.