Home / 20,415.76-30,623.70-6,574.48

Finding the Fourth Proportional to 20,415.76, 30,623.70 and 6,574.48

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Solution

The fourth proportional to 20,415.76, 30,623.70 and 6,574.48 is: 9,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415.76 : 30,623.70 = 6,574.48 : x
  2. Step 2: Convert to fraction form
    20,415.76/30,623.70 = 6,574.48/x
  3. Step 3: Cross multiply
    20,415.76x = 30,623.70 × 6,574.48
  4. Step 4: Simplify right side
    20,415.76x = 201,334,903.18
  5. Step 5: Solve for x
    x = 201,334,903.18/20,415.76
  6. Step 6: Final answer
    x = 9,861.74

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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.