Home / 14,424.78-21,627.87-5,660.58

Finding the Fourth Proportional to 14,424.78, 21,627.87 and 5,660.58

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Solution

The fourth proportional to 14,424.78, 21,627.87 and 5,660.58 is: 8,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.78 : 21,627.87 = 5,660.58 : x
  2. Step 2: Convert to fraction form
    14,424.78/21,627.87 = 5,660.58/x
  3. Step 3: Cross multiply
    14,424.78x = 21,627.87 × 5,660.58
  4. Step 4: Simplify right side
    14,424.78x = 122,426,288.36
  5. Step 5: Solve for x
    x = 122,426,288.36/14,424.78
  6. Step 6: Final answer
    x = 8,487.22

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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.