Home / 19,270.72-28,888.56-6,955.84

Finding the Fourth Proportional to 19,270.72, 28,888.56 and 6,955.84

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Solution

The fourth proportional to 19,270.72, 28,888.56 and 6,955.84 is: 10,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.72 : 28,888.56 = 6,955.84 : x
  2. Step 2: Convert to fraction form
    19,270.72/28,888.56 = 6,955.84/x
  3. Step 3: Cross multiply
    19,270.72x = 28,888.56 × 6,955.84
  4. Step 4: Simplify right side
    19,270.72x = 200,944,201.19
  5. Step 5: Solve for x
    x = 200,944,201.19/19,270.72
  6. Step 6: Final answer
    x = 10,427.44

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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.