Home / 15,636.90-23,456.11-5,106.91

Finding the Fourth Proportional to 15,636.90, 23,456.11 and 5,106.91

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Solution

The fourth proportional to 15,636.90, 23,456.11 and 5,106.91 is: 7,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.90 : 23,456.11 = 5,106.91 : x
  2. Step 2: Convert to fraction form
    15,636.90/23,456.11 = 5,106.91/x
  3. Step 3: Cross multiply
    15,636.90x = 23,456.11 × 5,106.91
  4. Step 4: Simplify right side
    15,636.90x = 119,788,243.49
  5. Step 5: Solve for x
    x = 119,788,243.49/15,636.90
  6. Step 6: Final answer
    x = 7,660.61

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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.