Home / 16,682.92-23,021.60-9,129.40

Finding the Fourth Proportional to 16,682.92, 23,021.60 and 9,129.40

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Solution

The fourth proportional to 16,682.92, 23,021.60 and 9,129.40 is: 12,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682.92 : 23,021.60 = 9,129.40 : x
  2. Step 2: Convert to fraction form
    16,682.92/23,021.60 = 9,129.40/x
  3. Step 3: Cross multiply
    16,682.92x = 23,021.60 × 9,129.40
  4. Step 4: Simplify right side
    16,682.92x = 210,173,395.04
  5. Step 5: Solve for x
    x = 210,173,395.04/16,682.92
  6. Step 6: Final answer
    x = 12,598.12

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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.