Home / 14,100.39-21,150.56-5,780.41

Finding the Fourth Proportional to 14,100.39, 21,150.56 and 5,780.41

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Solution

The fourth proportional to 14,100.39, 21,150.56 and 5,780.41 is: 8,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.39 : 21,150.56 = 5,780.41 : x
  2. Step 2: Convert to fraction form
    14,100.39/21,150.56 = 5,780.41/x
  3. Step 3: Cross multiply
    14,100.39x = 21,150.56 × 5,780.41
  4. Step 4: Simplify right side
    14,100.39x = 122,258,908.53
  5. Step 5: Solve for x
    x = 122,258,908.53/14,100.39
  6. Step 6: Final answer
    x = 8,670.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.