Home / 18,362.08-27,543.30-7,271.47

Finding the Fourth Proportional to 18,362.08, 27,543.30 and 7,271.47

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Solution

The fourth proportional to 18,362.08, 27,543.30 and 7,271.47 is: 10,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.08 : 27,543.30 = 7,271.47 : x
  2. Step 2: Convert to fraction form
    18,362.08/27,543.30 = 7,271.47/x
  3. Step 3: Cross multiply
    18,362.08x = 27,543.30 × 7,271.47
  4. Step 4: Simplify right side
    18,362.08x = 200,280,279.65
  5. Step 5: Solve for x
    x = 200,280,279.65/18,362.08
  6. Step 6: Final answer
    x = 10,907.28

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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.