Home / 19,008.09-28,512.14-13,168.80

Finding the Fourth Proportional to 19,008.09, 28,512.14 and 13,168.80

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Solution

The fourth proportional to 19,008.09, 28,512.14 and 13,168.80 is: 19,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.09 : 28,512.14 = 13,168.80 : x
  2. Step 2: Convert to fraction form
    19,008.09/28,512.14 = 13,168.80/x
  3. Step 3: Cross multiply
    19,008.09x = 28,512.14 × 13,168.80
  4. Step 4: Simplify right side
    19,008.09x = 375,470,603.39
  5. Step 5: Solve for x
    x = 375,470,603.39/19,008.09
  6. Step 6: Final answer
    x = 19,753.20

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1.5x scale

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.