Home / 14,515.58-21,652.84-14,029.68

Finding the Fourth Proportional to 14,515.58, 21,652.84 and 14,029.68

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Solution

The fourth proportional to 14,515.58, 21,652.84 and 14,029.68 is: 20,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.58 : 21,652.84 = 14,029.68 : x
  2. Step 2: Convert to fraction form
    14,515.58/21,652.84 = 14,029.68/x
  3. Step 3: Cross multiply
    14,515.58x = 21,652.84 × 14,029.68
  4. Step 4: Simplify right side
    14,515.58x = 303,782,381.22
  5. Step 5: Solve for x
    x = 303,782,381.22/14,515.58
  6. Step 6: Final answer
    x = 20,928.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.