Home / 19,128.26-26,396.16-10,630.94

Finding the Fourth Proportional to 19,128.26, 26,396.16 and 10,630.94

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Solution

The fourth proportional to 19,128.26, 26,396.16 and 10,630.94 is: 14,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.26 : 26,396.16 = 10,630.94 : x
  2. Step 2: Convert to fraction form
    19,128.26/26,396.16 = 10,630.94/x
  3. Step 3: Cross multiply
    19,128.26x = 26,396.16 × 10,630.94
  4. Step 4: Simplify right side
    19,128.26x = 280,615,993.19
  5. Step 5: Solve for x
    x = 280,615,993.19/19,128.26
  6. Step 6: Final answer
    x = 14,670.23

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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.