Home / 22,411.55-30,927.52-12,339.77

Finding the Fourth Proportional to 22,411.55, 30,927.52 and 12,339.77

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Solution

The fourth proportional to 22,411.55, 30,927.52 and 12,339.77 is: 17,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,411.55 : 30,927.52 = 12,339.77 : x
  2. Step 2: Convert to fraction form
    22,411.55/30,927.52 = 12,339.77/x
  3. Step 3: Cross multiply
    22,411.55x = 30,927.52 × 12,339.77
  4. Step 4: Simplify right side
    22,411.55x = 381,638,431.24
  5. Step 5: Solve for x
    x = 381,638,431.24/22,411.55
  6. Step 6: Final answer
    x = 17,028.65

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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.