Home / 14,270.70-21,409.72-8,352.58

Finding the Fourth Proportional to 14,270.70, 21,409.72 and 8,352.58

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Solution

The fourth proportional to 14,270.70, 21,409.72 and 8,352.58 is: 12,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.70 : 21,409.72 = 8,352.58 : x
  2. Step 2: Convert to fraction form
    14,270.70/21,409.72 = 8,352.58/x
  3. Step 3: Cross multiply
    14,270.70x = 21,409.72 × 8,352.58
  4. Step 4: Simplify right side
    14,270.70x = 178,826,399.08
  5. Step 5: Solve for x
    x = 178,826,399.08/14,270.70
  6. Step 6: Final answer
    x = 12,531.02

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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.