Home / 22,255.08-30,712.02-12,823.56

Finding the Fourth Proportional to 22,255.08, 30,712.02 and 12,823.56

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Solution

The fourth proportional to 22,255.08, 30,712.02 and 12,823.56 is: 17,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.08 : 30,712.02 = 12,823.56 : x
  2. Step 2: Convert to fraction form
    22,255.08/30,712.02 = 12,823.56/x
  3. Step 3: Cross multiply
    22,255.08x = 30,712.02 × 12,823.56
  4. Step 4: Simplify right side
    22,255.08x = 393,837,431.19
  5. Step 5: Solve for x
    x = 393,837,431.19/22,255.08
  6. Step 6: Final answer
    x = 17,696.52

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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.