Home / 21,946.24-30,285.60-11,874.46

Finding the Fourth Proportional to 21,946.24, 30,285.60 and 11,874.46

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Solution

The fourth proportional to 21,946.24, 30,285.60 and 11,874.46 is: 16,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.24 : 30,285.60 = 11,874.46 : x
  2. Step 2: Convert to fraction form
    21,946.24/30,285.60 = 11,874.46/x
  3. Step 3: Cross multiply
    21,946.24x = 30,285.60 × 11,874.46
  4. Step 4: Simplify right side
    21,946.24x = 359,625,268.53
  5. Step 5: Solve for x
    x = 359,625,268.53/21,946.24
  6. Step 6: Final answer
    x = 16,386.64

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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.