Home / 13,152.07-19,732.70-8,215.93

Finding the Fourth Proportional to 13,152.07, 19,732.70 and 8,215.93

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Solution

The fourth proportional to 13,152.07, 19,732.70 and 8,215.93 is: 12,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.07 : 19,732.70 = 8,215.93 : x
  2. Step 2: Convert to fraction form
    13,152.07/19,732.70 = 8,215.93/x
  3. Step 3: Cross multiply
    13,152.07x = 19,732.70 × 8,215.93
  4. Step 4: Simplify right side
    13,152.07x = 162,122,481.91
  5. Step 5: Solve for x
    x = 162,122,481.91/13,152.07
  6. Step 6: Final answer
    x = 12,326.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.