Home / 19,007.96-28,511.64-7,323.80

Finding the Fourth Proportional to 19,007.96, 28,511.64 and 7,323.80

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Solution

The fourth proportional to 19,007.96, 28,511.64 and 7,323.80 is: 10,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007.96 : 28,511.64 = 7,323.80 : x
  2. Step 2: Convert to fraction form
    19,007.96/28,511.64 = 7,323.80/x
  3. Step 3: Cross multiply
    19,007.96x = 28,511.64 × 7,323.80
  4. Step 4: Simplify right side
    19,007.96x = 208,813,549.03
  5. Step 5: Solve for x
    x = 208,813,549.03/19,007.96
  6. Step 6: Final answer
    x = 10,985.58

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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.