Home / 19,438.03-26,824.15-10,940.15

Finding the Fourth Proportional to 19,438.03, 26,824.15 and 10,940.15

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Solution

The fourth proportional to 19,438.03, 26,824.15 and 10,940.15 is: 15,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.03 : 26,824.15 = 10,940.15 : x
  2. Step 2: Convert to fraction form
    19,438.03/26,824.15 = 10,940.15/x
  3. Step 3: Cross multiply
    19,438.03x = 26,824.15 × 10,940.15
  4. Step 4: Simplify right side
    19,438.03x = 293,460,224.62
  5. Step 5: Solve for x
    x = 293,460,224.62/19,438.03
  6. Step 6: Final answer
    x = 15,097.22

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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.