Home / 14,420.45-21,600.41-9,152.75

Finding the Fourth Proportional to 14,420.45, 21,600.41 and 9,152.75

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Solution

The fourth proportional to 14,420.45, 21,600.41 and 9,152.75 is: 13,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.45 : 21,600.41 = 9,152.75 : x
  2. Step 2: Convert to fraction form
    14,420.45/21,600.41 = 9,152.75/x
  3. Step 3: Cross multiply
    14,420.45x = 21,600.41 × 9,152.75
  4. Step 4: Simplify right side
    14,420.45x = 197,703,229.51
  5. Step 5: Solve for x
    x = 197,703,229.51/14,420.45
  6. Step 6: Final answer
    x = 13,709.92

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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.