Home / 14,119.83-21,162.63-7,873.20

Finding the Fourth Proportional to 14,119.83, 21,162.63 and 7,873.20

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Solution

The fourth proportional to 14,119.83, 21,162.63 and 7,873.20 is: 11,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.83 : 21,162.63 = 7,873.20 : x
  2. Step 2: Convert to fraction form
    14,119.83/21,162.63 = 7,873.20/x
  3. Step 3: Cross multiply
    14,119.83x = 21,162.63 × 7,873.20
  4. Step 4: Simplify right side
    14,119.83x = 166,617,618.52
  5. Step 5: Solve for x
    x = 166,617,618.52/14,119.83
  6. Step 6: Final answer
    x = 11,800.26

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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.