Home / 14,391.12-21,586.68-5,628.60

Finding the Fourth Proportional to 14,391.12, 21,586.68 and 5,628.60

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Solution

The fourth proportional to 14,391.12, 21,586.68 and 5,628.60 is: 8,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.12 : 21,586.68 = 5,628.60 : x
  2. Step 2: Convert to fraction form
    14,391.12/21,586.68 = 5,628.60/x
  3. Step 3: Cross multiply
    14,391.12x = 21,586.68 × 5,628.60
  4. Step 4: Simplify right side
    14,391.12x = 121,502,787.05
  5. Step 5: Solve for x
    x = 121,502,787.05/14,391.12
  6. Step 6: Final answer
    x = 8,442.90

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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.