Home / 14,391.45-21,579.78-6,593.58

Finding the Fourth Proportional to 14,391.45, 21,579.78 and 6,593.58

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Solution

The fourth proportional to 14,391.45, 21,579.78 and 6,593.58 is: 9,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.45 : 21,579.78 = 6,593.58 : x
  2. Step 2: Convert to fraction form
    14,391.45/21,579.78 = 6,593.58/x
  3. Step 3: Cross multiply
    14,391.45x = 21,579.78 × 6,593.58
  4. Step 4: Simplify right side
    14,391.45x = 142,288,005.81
  5. Step 5: Solve for x
    x = 142,288,005.81/14,391.45
  6. Step 6: Final answer
    x = 9,886.98

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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.