Home / 19,015.47-28,515.06-6,536.75

Finding the Fourth Proportional to 19,015.47, 28,515.06 and 6,536.75

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Solution

The fourth proportional to 19,015.47, 28,515.06 and 6,536.75 is: 9,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.47 : 28,515.06 = 6,536.75 : x
  2. Step 2: Convert to fraction form
    19,015.47/28,515.06 = 6,536.75/x
  3. Step 3: Cross multiply
    19,015.47x = 28,515.06 × 6,536.75
  4. Step 4: Simplify right side
    19,015.47x = 186,395,675.88
  5. Step 5: Solve for x
    x = 186,395,675.88/19,015.47
  6. Step 6: Final answer
    x = 9,802.32

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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.