Home / 19,080.89-26,303.97-13,398.33

Finding the Fourth Proportional to 19,080.89, 26,303.97 and 13,398.33

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Solution

The fourth proportional to 19,080.89, 26,303.97 and 13,398.33 is: 18,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.89 : 26,303.97 = 13,398.33 : x
  2. Step 2: Convert to fraction form
    19,080.89/26,303.97 = 13,398.33/x
  3. Step 3: Cross multiply
    19,080.89x = 26,303.97 × 13,398.33
  4. Step 4: Simplify right side
    19,080.89x = 352,429,172.35
  5. Step 5: Solve for x
    x = 352,429,172.35/19,080.89
  6. Step 6: Final answer
    x = 18,470.27

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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.