Home / 15,018.04-20,727.46-8,734.12

Finding the Fourth Proportional to 15,018.04, 20,727.46 and 8,734.12

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Solution

The fourth proportional to 15,018.04, 20,727.46 and 8,734.12 is: 12,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.04 : 20,727.46 = 8,734.12 : x
  2. Step 2: Convert to fraction form
    15,018.04/20,727.46 = 8,734.12/x
  3. Step 3: Cross multiply
    15,018.04x = 20,727.46 × 8,734.12
  4. Step 4: Simplify right side
    15,018.04x = 181,036,122.94
  5. Step 5: Solve for x
    x = 181,036,122.94/15,018.04
  6. Step 6: Final answer
    x = 12,054.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.