Home / 14,989.54-22,509.60-14,393.56

Finding the Fourth Proportional to 14,989.54, 22,509.60 and 14,393.56

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Solution

The fourth proportional to 14,989.54, 22,509.60 and 14,393.56 is: 21,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.54 : 22,509.60 = 14,393.56 : x
  2. Step 2: Convert to fraction form
    14,989.54/22,509.60 = 14,393.56/x
  3. Step 3: Cross multiply
    14,989.54x = 22,509.60 × 14,393.56
  4. Step 4: Simplify right side
    14,989.54x = 323,993,278.18
  5. Step 5: Solve for x
    x = 323,993,278.18/14,989.54
  6. Step 6: Final answer
    x = 21,614.62

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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.