Home / 14,991.44-20,690.01-8,703.81

Finding the Fourth Proportional to 14,991.44, 20,690.01 and 8,703.81

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Solution

The fourth proportional to 14,991.44, 20,690.01 and 8,703.81 is: 12,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.44 : 20,690.01 = 8,703.81 : x
  2. Step 2: Convert to fraction form
    14,991.44/20,690.01 = 8,703.81/x
  3. Step 3: Cross multiply
    14,991.44x = 20,690.01 × 8,703.81
  4. Step 4: Simplify right side
    14,991.44x = 180,081,945.90
  5. Step 5: Solve for x
    x = 180,081,945.90/14,991.44
  6. Step 6: Final answer
    x = 12,012.32

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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.