Home / 10,410.90-15,617.70-5,148.60

Finding the Fourth Proportional to 10,410.90, 15,617.70 and 5,148.60

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Solution

The fourth proportional to 10,410.90, 15,617.70 and 5,148.60 is: 7,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.90 : 15,617.70 = 5,148.60 : x
  2. Step 2: Convert to fraction form
    10,410.90/15,617.70 = 5,148.60/x
  3. Step 3: Cross multiply
    10,410.90x = 15,617.70 × 5,148.60
  4. Step 4: Simplify right side
    10,410.90x = 80,409,290.22
  5. Step 5: Solve for x
    x = 80,409,290.22/10,410.90
  6. Step 6: Final answer
    x = 7,723.57

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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.