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Finding the Fourth Proportional to 19,064, 26,308.32 and 10,680.68

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Solution

The fourth proportional to 19,064, 26,308.32 and 10,680.68 is: 14,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064 : 26,308.32 = 10,680.68 : x
  2. Step 2: Convert to fraction form
    19,064/26,308.32 = 10,680.68/x
  3. Step 3: Cross multiply
    19,064x = 26,308.32 × 10,680.68
  4. Step 4: Simplify right side
    19,064x = 280,990,747.26
  5. Step 5: Solve for x
    x = 280,990,747.26/19,064
  6. Step 6: Final answer
    x = 14,739.34

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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.