Home / 19,140.63-26,414.94-10,643.62

Finding the Fourth Proportional to 19,140.63, 26,414.94 and 10,643.62

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Solution

The fourth proportional to 19,140.63, 26,414.94 and 10,643.62 is: 14,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.63 : 26,414.94 = 10,643.62 : x
  2. Step 2: Convert to fraction form
    19,140.63/26,414.94 = 10,643.62/x
  3. Step 3: Cross multiply
    19,140.63x = 26,414.94 × 10,643.62
  4. Step 4: Simplify right side
    19,140.63x = 281,150,583.68
  5. Step 5: Solve for x
    x = 281,150,583.68/19,140.63
  6. Step 6: Final answer
    x = 14,688.68

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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.