Home / 21,740.85-32,615.46-9,260.64

Finding the Fourth Proportional to 21,740.85, 32,615.46 and 9,260.64

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Solution

The fourth proportional to 21,740.85, 32,615.46 and 9,260.64 is: 13,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.85 : 32,615.46 = 9,260.64 : x
  2. Step 2: Convert to fraction form
    21,740.85/32,615.46 = 9,260.64/x
  3. Step 3: Cross multiply
    21,740.85x = 32,615.46 × 9,260.64
  4. Step 4: Simplify right side
    21,740.85x = 302,040,033.49
  5. Step 5: Solve for x
    x = 302,040,033.49/21,740.85
  6. Step 6: Final answer
    x = 13,892.74

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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.