Home / 20,038.46-30,059.32-6,890.84

Finding the Fourth Proportional to 20,038.46, 30,059.32 and 6,890.84

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Solution

The fourth proportional to 20,038.46, 30,059.32 and 6,890.84 is: 10,336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.46 : 30,059.32 = 6,890.84 : x
  2. Step 2: Convert to fraction form
    20,038.46/30,059.32 = 6,890.84/x
  3. Step 3: Cross multiply
    20,038.46x = 30,059.32 × 6,890.84
  4. Step 4: Simplify right side
    20,038.46x = 207,133,964.63
  5. Step 5: Solve for x
    x = 207,133,964.63/20,038.46
  6. Step 6: Final answer
    x = 10,336.82

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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.