Home / 21,630.54-32,445.61-9,788.34

Finding the Fourth Proportional to 21,630.54, 32,445.61 and 9,788.34

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Solution

The fourth proportional to 21,630.54, 32,445.61 and 9,788.34 is: 14,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.54 : 32,445.61 = 9,788.34 : x
  2. Step 2: Convert to fraction form
    21,630.54/32,445.61 = 9,788.34/x
  3. Step 3: Cross multiply
    21,630.54x = 32,445.61 × 9,788.34
  4. Step 4: Simplify right side
    21,630.54x = 317,588,662.19
  5. Step 5: Solve for x
    x = 317,588,662.19/21,630.54
  6. Step 6: Final answer
    x = 14,682.42

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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.