Home / 17,771.31-26,650.81-9,885.81

Finding the Fourth Proportional to 17,771.31, 26,650.81 and 9,885.81

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Solution

The fourth proportional to 17,771.31, 26,650.81 and 9,885.81 is: 14,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.31 : 26,650.81 = 9,885.81 : x
  2. Step 2: Convert to fraction form
    17,771.31/26,650.81 = 9,885.81/x
  3. Step 3: Cross multiply
    17,771.31x = 26,650.81 × 9,885.81
  4. Step 4: Simplify right side
    17,771.31x = 263,464,956.30
  5. Step 5: Solve for x
    x = 263,464,956.30/17,771.31
  6. Step 6: Final answer
    x = 14,825.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.