Home / 14,600.80-21,872.40-8,437.60

Finding the Fourth Proportional to 14,600.80, 21,872.40 and 8,437.60

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Solution

The fourth proportional to 14,600.80, 21,872.40 and 8,437.60 is: 12,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.80 : 21,872.40 = 8,437.60 : x
  2. Step 2: Convert to fraction form
    14,600.80/21,872.40 = 8,437.60/x
  3. Step 3: Cross multiply
    14,600.80x = 21,872.40 × 8,437.60
  4. Step 4: Simplify right side
    14,600.80x = 184,550,562.24
  5. Step 5: Solve for x
    x = 184,550,562.24/14,600.80
  6. Step 6: Final answer
    x = 12,639.76

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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.