Home / 19,368.41-26,728.64-10,872.36

Finding the Fourth Proportional to 19,368.41, 26,728.64 and 10,872.36

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Solution

The fourth proportional to 19,368.41, 26,728.64 and 10,872.36 is: 15,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.41 : 26,728.64 = 10,872.36 : x
  2. Step 2: Convert to fraction form
    19,368.41/26,728.64 = 10,872.36/x
  3. Step 3: Cross multiply
    19,368.41x = 26,728.64 × 10,872.36
  4. Step 4: Simplify right side
    19,368.41x = 290,603,342.03
  5. Step 5: Solve for x
    x = 290,603,342.03/19,368.41
  6. Step 6: Final answer
    x = 15,003.99

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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.