Home / 14,622.60-21,905.10-13,585.80

Finding the Fourth Proportional to 14,622.60, 21,905.10 and 13,585.80

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Solution

The fourth proportional to 14,622.60, 21,905.10 and 13,585.80 is: 20,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.60 : 21,905.10 = 13,585.80 : x
  2. Step 2: Convert to fraction form
    14,622.60/21,905.10 = 13,585.80/x
  3. Step 3: Cross multiply
    14,622.60x = 21,905.10 × 13,585.80
  4. Step 4: Simplify right side
    14,622.60x = 297,598,307.58
  5. Step 5: Solve for x
    x = 297,598,307.58/14,622.60
  6. Step 6: Final answer
    x = 20,351.94

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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.