Home / 19,348.07-28,985.04-13,097.30

Finding the Fourth Proportional to 19,348.07, 28,985.04 and 13,097.30

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Solution

The fourth proportional to 19,348.07, 28,985.04 and 13,097.30 is: 19,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.07 : 28,985.04 = 13,097.30 : x
  2. Step 2: Convert to fraction form
    19,348.07/28,985.04 = 13,097.30/x
  3. Step 3: Cross multiply
    19,348.07x = 28,985.04 × 13,097.30
  4. Step 4: Simplify right side
    19,348.07x = 379,625,619.47
  5. Step 5: Solve for x
    x = 379,625,619.47/19,348.07
  6. Step 6: Final answer
    x = 19,620.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.