Home / 14,765.37-22,135.61-6,439.28

Finding the Fourth Proportional to 14,765.37, 22,135.61 and 6,439.28

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Solution

The fourth proportional to 14,765.37, 22,135.61 and 6,439.28 is: 9,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.37 : 22,135.61 = 6,439.28 : x
  2. Step 2: Convert to fraction form
    14,765.37/22,135.61 = 6,439.28/x
  3. Step 3: Cross multiply
    14,765.37x = 22,135.61 × 6,439.28
  4. Step 4: Simplify right side
    14,765.37x = 142,537,247.89
  5. Step 5: Solve for x
    x = 142,537,247.89/14,765.37
  6. Step 6: Final answer
    x = 9,653.48

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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.