Home / 10,012.40-15,000.60-4,806.80

Finding the Fourth Proportional to 10,012.40, 15,000.60 and 4,806.80

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Solution

The fourth proportional to 10,012.40, 15,000.60 and 4,806.80 is: 7,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.40 : 15,000.60 = 4,806.80 : x
  2. Step 2: Convert to fraction form
    10,012.40/15,000.60 = 4,806.80/x
  3. Step 3: Cross multiply
    10,012.40x = 15,000.60 × 4,806.80
  4. Step 4: Simplify right side
    10,012.40x = 72,104,884.08
  5. Step 5: Solve for x
    x = 72,104,884.08/10,012.40
  6. Step 6: Final answer
    x = 7,201.56

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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.