Home / 14,319.37-21,487.56-7,745.41

Finding the Fourth Proportional to 14,319.37, 21,487.56 and 7,745.41

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Solution

The fourth proportional to 14,319.37, 21,487.56 and 7,745.41 is: 11,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.37 : 21,487.56 = 7,745.41 : x
  2. Step 2: Convert to fraction form
    14,319.37/21,487.56 = 7,745.41/x
  3. Step 3: Cross multiply
    14,319.37x = 21,487.56 × 7,745.41
  4. Step 4: Simplify right side
    14,319.37x = 166,429,962.10
  5. Step 5: Solve for x
    x = 166,429,962.10/14,319.37
  6. Step 6: Final answer
    x = 11,622.72

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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.