Home / 19,273.90-28,896.45-10,518.70

Finding the Fourth Proportional to 19,273.90, 28,896.45 and 10,518.70

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Solution

The fourth proportional to 19,273.90, 28,896.45 and 10,518.70 is: 15,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.90 : 28,896.45 = 10,518.70 : x
  2. Step 2: Convert to fraction form
    19,273.90/28,896.45 = 10,518.70/x
  3. Step 3: Cross multiply
    19,273.90x = 28,896.45 × 10,518.70
  4. Step 4: Simplify right side
    19,273.90x = 303,953,088.62
  5. Step 5: Solve for x
    x = 303,953,088.62/19,273.90
  6. Step 6: Final answer
    x = 15,770.19

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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.