Home / 19,137.60-26,410.12-10,640.24

Finding the Fourth Proportional to 19,137.60, 26,410.12 and 10,640.24

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Solution

The fourth proportional to 19,137.60, 26,410.12 and 10,640.24 is: 14,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.60 : 26,410.12 = 10,640.24 : x
  2. Step 2: Convert to fraction form
    19,137.60/26,410.12 = 10,640.24/x
  3. Step 3: Cross multiply
    19,137.60x = 26,410.12 × 10,640.24
  4. Step 4: Simplify right side
    19,137.60x = 281,010,015.23
  5. Step 5: Solve for x
    x = 281,010,015.23/19,137.60
  6. Step 6: Final answer
    x = 14,683.66

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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.