Home / 19,285.80-28,927.49-6,147.60

Finding the Fourth Proportional to 19,285.80, 28,927.49 and 6,147.60

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Solution

The fourth proportional to 19,285.80, 28,927.49 and 6,147.60 is: 9,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.80 : 28,927.49 = 6,147.60 : x
  2. Step 2: Convert to fraction form
    19,285.80/28,927.49 = 6,147.60/x
  3. Step 3: Cross multiply
    19,285.80x = 28,927.49 × 6,147.60
  4. Step 4: Simplify right side
    19,285.80x = 177,834,606.79
  5. Step 5: Solve for x
    x = 177,834,606.79/19,285.80
  6. Step 6: Final answer
    x = 9,221.01

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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.