Home / 19,208.32-28,820.16-6,897.28

Finding the Fourth Proportional to 19,208.32, 28,820.16 and 6,897.28

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Solution

The fourth proportional to 19,208.32, 28,820.16 and 6,897.28 is: 10,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.32 : 28,820.16 = 6,897.28 : x
  2. Step 2: Convert to fraction form
    19,208.32/28,820.16 = 6,897.28/x
  3. Step 3: Cross multiply
    19,208.32x = 28,820.16 × 6,897.28
  4. Step 4: Simplify right side
    19,208.32x = 198,780,713.16
  5. Step 5: Solve for x
    x = 198,780,713.16/19,208.32
  6. Step 6: Final answer
    x = 10,348.68

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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.