Home / 12,792.13-19,155.39-10,823.83

Finding the Fourth Proportional to 12,792.13, 19,155.39 and 10,823.83

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Solution

The fourth proportional to 12,792.13, 19,155.39 and 10,823.83 is: 16,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.13 : 19,155.39 = 10,823.83 : x
  2. Step 2: Convert to fraction form
    12,792.13/19,155.39 = 10,823.83/x
  3. Step 3: Cross multiply
    12,792.13x = 19,155.39 × 10,823.83
  4. Step 4: Simplify right side
    12,792.13x = 207,334,596.47
  5. Step 5: Solve for x
    x = 207,334,596.47/12,792.13
  6. Step 6: Final answer
    x = 16,207.98

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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.