Home / 19,457.52-26,860.32-12,743.44

Finding the Fourth Proportional to 19,457.52, 26,860.32 and 12,743.44

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Solution

The fourth proportional to 19,457.52, 26,860.32 and 12,743.44 is: 17,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.52 : 26,860.32 = 12,743.44 : x
  2. Step 2: Convert to fraction form
    19,457.52/26,860.32 = 12,743.44/x
  3. Step 3: Cross multiply
    19,457.52x = 26,860.32 × 12,743.44
  4. Step 4: Simplify right side
    19,457.52x = 342,292,876.30
  5. Step 5: Solve for x
    x = 342,292,876.30/19,457.52
  6. Step 6: Final answer
    x = 17,591.80

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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.