Home / 16,686.72-23,025.60-9,236.16

Finding the Fourth Proportional to 16,686.72, 23,025.60 and 9,236.16

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Solution

The fourth proportional to 16,686.72, 23,025.60 and 9,236.16 is: 12,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.72 : 23,025.60 = 9,236.16 : x
  2. Step 2: Convert to fraction form
    16,686.72/23,025.60 = 9,236.16/x
  3. Step 3: Cross multiply
    16,686.72x = 23,025.60 × 9,236.16
  4. Step 4: Simplify right side
    16,686.72x = 212,668,125.70
  5. Step 5: Solve for x
    x = 212,668,125.70/16,686.72
  6. Step 6: Final answer
    x = 12,744.75

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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.