Home / 14,330.60-21,495.90-9,081.80

Finding the Fourth Proportional to 14,330.60, 21,495.90 and 9,081.80

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Solution

The fourth proportional to 14,330.60, 21,495.90 and 9,081.80 is: 13,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.60 : 21,495.90 = 9,081.80 : x
  2. Step 2: Convert to fraction form
    14,330.60/21,495.90 = 9,081.80/x
  3. Step 3: Cross multiply
    14,330.60x = 21,495.90 × 9,081.80
  4. Step 4: Simplify right side
    14,330.60x = 195,221,464.62
  5. Step 5: Solve for x
    x = 195,221,464.62/14,330.60
  6. Step 6: Final answer
    x = 13,622.70

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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.