Home / 14,289.06-19,719.01-8,001.44

Finding the Fourth Proportional to 14,289.06, 19,719.01 and 8,001.44

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Solution

The fourth proportional to 14,289.06, 19,719.01 and 8,001.44 is: 11,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.06 : 19,719.01 = 8,001.44 : x
  2. Step 2: Convert to fraction form
    14,289.06/19,719.01 = 8,001.44/x
  3. Step 3: Cross multiply
    14,289.06x = 19,719.01 × 8,001.44
  4. Step 4: Simplify right side
    14,289.06x = 157,780,475.37
  5. Step 5: Solve for x
    x = 157,780,475.37/14,289.06
  6. Step 6: Final answer
    x = 11,042.05

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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.