Home / 19,630.25-27,090.02-11,246.75

Finding the Fourth Proportional to 19,630.25, 27,090.02 and 11,246.75

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Solution

The fourth proportional to 19,630.25, 27,090.02 and 11,246.75 is: 15,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.25 : 27,090.02 = 11,246.75 : x
  2. Step 2: Convert to fraction form
    19,630.25/27,090.02 = 11,246.75/x
  3. Step 3: Cross multiply
    19,630.25x = 27,090.02 × 11,246.75
  4. Step 4: Simplify right side
    19,630.25x = 304,674,626.20
  5. Step 5: Solve for x
    x = 304,674,626.20/19,630.25
  6. Step 6: Final answer
    x = 15,520.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.