Home / 10,225.26-15,330.74-3,980.03

Finding the Fourth Proportional to 10,225.26, 15,330.74 and 3,980.03

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Solution

The fourth proportional to 10,225.26, 15,330.74 and 3,980.03 is: 5,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.26 : 15,330.74 = 3,980.03 : x
  2. Step 2: Convert to fraction form
    10,225.26/15,330.74 = 3,980.03/x
  3. Step 3: Cross multiply
    10,225.26x = 15,330.74 × 3,980.03
  4. Step 4: Simplify right side
    10,225.26x = 61,016,708.57
  5. Step 5: Solve for x
    x = 61,016,708.57/10,225.26
  6. Step 6: Final answer
    x = 5,967.25

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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.