Home / 16,686-23,024.16-9,966.96

Finding the Fourth Proportional to 16,686, 23,024.16 and 9,966.96

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Solution

The fourth proportional to 16,686, 23,024.16 and 9,966.96 is: 13,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686 : 23,024.16 = 9,966.96 : x
  2. Step 2: Convert to fraction form
    16,686/23,024.16 = 9,966.96/x
  3. Step 3: Cross multiply
    16,686x = 23,024.16 × 9,966.96
  4. Step 4: Simplify right side
    16,686x = 229,480,881.75
  5. Step 5: Solve for x
    x = 229,480,881.75/16,686
  6. Step 6: Final answer
    x = 13,752.90

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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.