Home / 21,953.74-30,292.90-13,335.44

Finding the Fourth Proportional to 21,953.74, 30,292.90 and 13,335.44

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Solution

The fourth proportional to 21,953.74, 30,292.90 and 13,335.44 is: 18,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,953.74 : 30,292.90 = 13,335.44 : x
  2. Step 2: Convert to fraction form
    21,953.74/30,292.90 = 13,335.44/x
  3. Step 3: Cross multiply
    21,953.74x = 30,292.90 × 13,335.44
  4. Step 4: Simplify right side
    21,953.74x = 403,969,150.38
  5. Step 5: Solve for x
    x = 403,969,150.38/21,953.74
  6. Step 6: Final answer
    x = 18,400.93

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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.