Home / 21,609.53-32,402.58-9,749.45

Finding the Fourth Proportional to 21,609.53, 32,402.58 and 9,749.45

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Solution

The fourth proportional to 21,609.53, 32,402.58 and 9,749.45 is: 14,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609.53 : 32,402.58 = 9,749.45 : x
  2. Step 2: Convert to fraction form
    21,609.53/32,402.58 = 9,749.45/x
  3. Step 3: Cross multiply
    21,609.53x = 32,402.58 × 9,749.45
  4. Step 4: Simplify right side
    21,609.53x = 315,907,171.57
  5. Step 5: Solve for x
    x = 315,907,171.57/21,609.53
  6. Step 6: Final answer
    x = 14,618.89

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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.