Home / 14,513.03-20,027.75-8,139.62

Finding the Fourth Proportional to 14,513.03, 20,027.75 and 8,139.62

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Solution

The fourth proportional to 14,513.03, 20,027.75 and 8,139.62 is: 11,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.03 : 20,027.75 = 8,139.62 : x
  2. Step 2: Convert to fraction form
    14,513.03/20,027.75 = 8,139.62/x
  3. Step 3: Cross multiply
    14,513.03x = 20,027.75 × 8,139.62
  4. Step 4: Simplify right side
    14,513.03x = 163,018,194.67
  5. Step 5: Solve for x
    x = 163,018,194.67/14,513.03
  6. Step 6: Final answer
    x = 11,232.54

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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.