Home / 16,820.15-23,194.21-12,564.54

Finding the Fourth Proportional to 16,820.15, 23,194.21 and 12,564.54

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Solution

The fourth proportional to 16,820.15, 23,194.21 and 12,564.54 is: 17,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.15 : 23,194.21 = 12,564.54 : x
  2. Step 2: Convert to fraction form
    16,820.15/23,194.21 = 12,564.54/x
  3. Step 3: Cross multiply
    16,820.15x = 23,194.21 × 12,564.54
  4. Step 4: Simplify right side
    16,820.15x = 291,424,579.31
  5. Step 5: Solve for x
    x = 291,424,579.31/16,820.15
  6. Step 6: Final answer
    x = 17,325.92

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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.