Home / 19,320.59-28,980.32-6,173.75

Finding the Fourth Proportional to 19,320.59, 28,980.32 and 6,173.75

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Solution

The fourth proportional to 19,320.59, 28,980.32 and 6,173.75 is: 9,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.59 : 28,980.32 = 6,173.75 : x
  2. Step 2: Convert to fraction form
    19,320.59/28,980.32 = 6,173.75/x
  3. Step 3: Cross multiply
    19,320.59x = 28,980.32 × 6,173.75
  4. Step 4: Simplify right side
    19,320.59x = 178,917,074.83
  5. Step 5: Solve for x
    x = 178,917,074.83/19,320.59
  6. Step 6: Final answer
    x = 9,260.44

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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.