Home / 14,015.15-21,022.63-4,154.48

Finding the Fourth Proportional to 14,015.15, 21,022.63 and 4,154.48

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Solution

The fourth proportional to 14,015.15, 21,022.63 and 4,154.48 is: 6,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.15 : 21,022.63 = 4,154.48 : x
  2. Step 2: Convert to fraction form
    14,015.15/21,022.63 = 4,154.48/x
  3. Step 3: Cross multiply
    14,015.15x = 21,022.63 × 4,154.48
  4. Step 4: Simplify right side
    14,015.15x = 87,338,095.88
  5. Step 5: Solve for x
    x = 87,338,095.88/14,015.15
  6. Step 6: Final answer
    x = 6,231.69

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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.