Home / 19,088.76-28,610.46-12,069.84

Finding the Fourth Proportional to 19,088.76, 28,610.46 and 12,069.84

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Solution

The fourth proportional to 19,088.76, 28,610.46 and 12,069.84 is: 18,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.76 : 28,610.46 = 12,069.84 : x
  2. Step 2: Convert to fraction form
    19,088.76/28,610.46 = 12,069.84/x
  3. Step 3: Cross multiply
    19,088.76x = 28,610.46 × 12,069.84
  4. Step 4: Simplify right side
    19,088.76x = 345,323,674.53
  5. Step 5: Solve for x
    x = 345,323,674.53/19,088.76
  6. Step 6: Final answer
    x = 18,090.42

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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.