Home / 19,548.07-26,987.90-12,845.43

Finding the Fourth Proportional to 19,548.07, 26,987.90 and 12,845.43

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Solution

The fourth proportional to 19,548.07, 26,987.90 and 12,845.43 is: 17,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.07 : 26,987.90 = 12,845.43 : x
  2. Step 2: Convert to fraction form
    19,548.07/26,987.90 = 12,845.43/x
  3. Step 3: Cross multiply
    19,548.07x = 26,987.90 × 12,845.43
  4. Step 4: Simplify right side
    19,548.07x = 346,671,180.30
  5. Step 5: Solve for x
    x = 346,671,180.30/19,548.07
  6. Step 6: Final answer
    x = 17,734.29

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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.