Home / 14,289.23-19,719.11-8,001.65

Finding the Fourth Proportional to 14,289.23, 19,719.11 and 8,001.65

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Solution

The fourth proportional to 14,289.23, 19,719.11 and 8,001.65 is: 11,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.23 : 19,719.11 = 8,001.65 : x
  2. Step 2: Convert to fraction form
    14,289.23/19,719.11 = 8,001.65/x
  3. Step 3: Cross multiply
    14,289.23x = 19,719.11 × 8,001.65
  4. Step 4: Simplify right side
    14,289.23x = 157,785,337.94
  5. Step 5: Solve for x
    x = 157,785,337.94/14,289.23
  6. Step 6: Final answer
    x = 11,042.26

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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.