Home / 16,431.70-22,667.60-9,714.10

Finding the Fourth Proportional to 16,431.70, 22,667.60 and 9,714.10

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Solution

The fourth proportional to 16,431.70, 22,667.60 and 9,714.10 is: 13,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.70 : 22,667.60 = 9,714.10 : x
  2. Step 2: Convert to fraction form
    16,431.70/22,667.60 = 9,714.10/x
  3. Step 3: Cross multiply
    16,431.70x = 22,667.60 × 9,714.10
  4. Step 4: Simplify right side
    16,431.70x = 220,195,333.16
  5. Step 5: Solve for x
    x = 220,195,333.16/16,431.70
  6. Step 6: Final answer
    x = 13,400.64

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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.