Home / 13,022.01-19,438.74-11,445.62

Finding the Fourth Proportional to 13,022.01, 19,438.74 and 11,445.62

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Solution

The fourth proportional to 13,022.01, 19,438.74 and 11,445.62 is: 17,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.01 : 19,438.74 = 11,445.62 : x
  2. Step 2: Convert to fraction form
    13,022.01/19,438.74 = 11,445.62/x
  3. Step 3: Cross multiply
    13,022.01x = 19,438.74 × 11,445.62
  4. Step 4: Simplify right side
    13,022.01x = 222,488,334.13
  5. Step 5: Solve for x
    x = 222,488,334.13/13,022.01
  6. Step 6: Final answer
    x = 17,085.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.