Home / 14,094.84-21,138.88-4,735.20

Finding the Fourth Proportional to 14,094.84, 21,138.88 and 4,735.20

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Solution

The fourth proportional to 14,094.84, 21,138.88 and 4,735.20 is: 7,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.84 : 21,138.88 = 4,735.20 : x
  2. Step 2: Convert to fraction form
    14,094.84/21,138.88 = 4,735.20/x
  3. Step 3: Cross multiply
    14,094.84x = 21,138.88 × 4,735.20
  4. Step 4: Simplify right side
    14,094.84x = 100,096,824.58
  5. Step 5: Solve for x
    x = 100,096,824.58/14,094.84
  6. Step 6: Final answer
    x = 7,101.66

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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.