Home / 16,911.86-23,319.27-12,649.26

Finding the Fourth Proportional to 16,911.86, 23,319.27 and 12,649.26

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Solution

The fourth proportional to 16,911.86, 23,319.27 and 12,649.26 is: 17,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.86 : 23,319.27 = 12,649.26 : x
  2. Step 2: Convert to fraction form
    16,911.86/23,319.27 = 12,649.26/x
  3. Step 3: Cross multiply
    16,911.86x = 23,319.27 × 12,649.26
  4. Step 4: Simplify right side
    16,911.86x = 294,971,465.52
  5. Step 5: Solve for x
    x = 294,971,465.52/16,911.86
  6. Step 6: Final answer
    x = 17,441.69

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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.