Home / 19,138.33-26,411.78-10,641.32

Finding the Fourth Proportional to 19,138.33, 26,411.78 and 10,641.32

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Solution

The fourth proportional to 19,138.33, 26,411.78 and 10,641.32 is: 14,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.33 : 26,411.78 = 10,641.32 : x
  2. Step 2: Convert to fraction form
    19,138.33/26,411.78 = 10,641.32/x
  3. Step 3: Cross multiply
    19,138.33x = 26,411.78 × 10,641.32
  4. Step 4: Simplify right side
    19,138.33x = 281,056,176.15
  5. Step 5: Solve for x
    x = 281,056,176.15/19,138.33
  6. Step 6: Final answer
    x = 14,685.51

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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.