Home / 19,141.09-26,414.78-10,643.99

Finding the Fourth Proportional to 19,141.09, 26,414.78 and 10,643.99

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Solution

The fourth proportional to 19,141.09, 26,414.78 and 10,643.99 is: 14,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.09 : 26,414.78 = 10,643.99 : x
  2. Step 2: Convert to fraction form
    19,141.09/26,414.78 = 10,643.99/x
  3. Step 3: Cross multiply
    19,141.09x = 26,414.78 × 10,643.99
  4. Step 4: Simplify right side
    19,141.09x = 281,158,468.88
  5. Step 5: Solve for x
    x = 281,158,468.88/19,141.09
  6. Step 6: Final answer
    x = 14,688.74

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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.