Home / 14,856.36-20,501.73-8,142.09

Finding the Fourth Proportional to 14,856.36, 20,501.73 and 8,142.09

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Solution

The fourth proportional to 14,856.36, 20,501.73 and 8,142.09 is: 11,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856.36 : 20,501.73 = 8,142.09 : x
  2. Step 2: Convert to fraction form
    14,856.36/20,501.73 = 8,142.09/x
  3. Step 3: Cross multiply
    14,856.36x = 20,501.73 × 8,142.09
  4. Step 4: Simplify right side
    14,856.36x = 166,926,930.82
  5. Step 5: Solve for x
    x = 166,926,930.82/14,856.36
  6. Step 6: Final answer
    x = 11,236.06

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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.