Home / 20,608.79-30,915.62-6,563.93

Finding the Fourth Proportional to 20,608.79, 30,915.62 and 6,563.93

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Solution

The fourth proportional to 20,608.79, 30,915.62 and 6,563.93 is: 9,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.79 : 30,915.62 = 6,563.93 : x
  2. Step 2: Convert to fraction form
    20,608.79/30,915.62 = 6,563.93/x
  3. Step 3: Cross multiply
    20,608.79x = 30,915.62 × 6,563.93
  4. Step 4: Simplify right side
    20,608.79x = 202,927,932.77
  5. Step 5: Solve for x
    x = 202,927,932.77/20,608.79
  6. Step 6: Final answer
    x = 9,846.67

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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.