Home / 19,178.24-28,750.41-7,483.28

Finding the Fourth Proportional to 19,178.24, 28,750.41 and 7,483.28

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Solution

The fourth proportional to 19,178.24, 28,750.41 and 7,483.28 is: 11,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.24 : 28,750.41 = 7,483.28 : x
  2. Step 2: Convert to fraction form
    19,178.24/28,750.41 = 7,483.28/x
  3. Step 3: Cross multiply
    19,178.24x = 28,750.41 × 7,483.28
  4. Step 4: Simplify right side
    19,178.24x = 215,147,224.39
  5. Step 5: Solve for x
    x = 215,147,224.39/19,178.24
  6. Step 6: Final answer
    x = 11,218.30

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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.