Home / 19,296.50-28,944.75-5,445.50

Finding the Fourth Proportional to 19,296.50, 28,944.75 and 5,445.50

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Solution

The fourth proportional to 19,296.50, 28,944.75 and 5,445.50 is: 8,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.50 : 28,944.75 = 5,445.50 : x
  2. Step 2: Convert to fraction form
    19,296.50/28,944.75 = 5,445.50/x
  3. Step 3: Cross multiply
    19,296.50x = 28,944.75 × 5,445.50
  4. Step 4: Simplify right side
    19,296.50x = 157,618,636.13
  5. Step 5: Solve for x
    x = 157,618,636.13/19,296.50
  6. Step 6: Final answer
    x = 8,168.25

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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.