Home / 19,278.51-28,917.69-6,795.53

Finding the Fourth Proportional to 19,278.51, 28,917.69 and 6,795.53

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Solution

The fourth proportional to 19,278.51, 28,917.69 and 6,795.53 is: 10,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.51 : 28,917.69 = 6,795.53 : x
  2. Step 2: Convert to fraction form
    19,278.51/28,917.69 = 6,795.53/x
  3. Step 3: Cross multiply
    19,278.51x = 28,917.69 × 6,795.53
  4. Step 4: Simplify right side
    19,278.51x = 196,510,885.34
  5. Step 5: Solve for x
    x = 196,510,885.34/19,278.51
  6. Step 6: Final answer
    x = 10,193.26

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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.