Home / 14,650.81-21,977.51-4,120.92

Finding the Fourth Proportional to 14,650.81, 21,977.51 and 4,120.92

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Solution

The fourth proportional to 14,650.81, 21,977.51 and 4,120.92 is: 6,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.81 : 21,977.51 = 4,120.92 : x
  2. Step 2: Convert to fraction form
    14,650.81/21,977.51 = 4,120.92/x
  3. Step 3: Cross multiply
    14,650.81x = 21,977.51 × 4,120.92
  4. Step 4: Simplify right side
    14,650.81x = 90,567,560.51
  5. Step 5: Solve for x
    x = 90,567,560.51/14,650.81
  6. Step 6: Final answer
    x = 6,181.74

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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.