Home / 22,153.36-30,572.04-12,081.92

Finding the Fourth Proportional to 22,153.36, 30,572.04 and 12,081.92

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Solution

The fourth proportional to 22,153.36, 30,572.04 and 12,081.92 is: 16,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.36 : 30,572.04 = 12,081.92 : x
  2. Step 2: Convert to fraction form
    22,153.36/30,572.04 = 12,081.92/x
  3. Step 3: Cross multiply
    22,153.36x = 30,572.04 × 12,081.92
  4. Step 4: Simplify right side
    22,153.36x = 369,368,941.52
  5. Step 5: Solve for x
    x = 369,368,941.52/22,153.36
  6. Step 6: Final answer
    x = 16,673.27

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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.