Home / 19,137.48-26,410.08-10,640.30

Finding the Fourth Proportional to 19,137.48, 26,410.08 and 10,640.30

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Solution

The fourth proportional to 19,137.48, 26,410.08 and 10,640.30 is: 14,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.48 : 26,410.08 = 10,640.30 : x
  2. Step 2: Convert to fraction form
    19,137.48/26,410.08 = 10,640.30/x
  3. Step 3: Cross multiply
    19,137.48x = 26,410.08 × 10,640.30
  4. Step 4: Simplify right side
    19,137.48x = 281,011,174.22
  5. Step 5: Solve for x
    x = 281,011,174.22/19,137.48
  6. Step 6: Final answer
    x = 14,683.81

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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.