Home / 20,098.08-30,136.59-6,947.37

Finding the Fourth Proportional to 20,098.08, 30,136.59 and 6,947.37

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Solution

The fourth proportional to 20,098.08, 30,136.59 and 6,947.37 is: 10,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.08 : 30,136.59 = 6,947.37 : x
  2. Step 2: Convert to fraction form
    20,098.08/30,136.59 = 6,947.37/x
  3. Step 3: Cross multiply
    20,098.08x = 30,136.59 × 6,947.37
  4. Step 4: Simplify right side
    20,098.08x = 209,370,041.27
  5. Step 5: Solve for x
    x = 209,370,041.27/20,098.08
  6. Step 6: Final answer
    x = 10,417.42

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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.