Home / 22,090.53-30,484.62-12,018.85

Finding the Fourth Proportional to 22,090.53, 30,484.62 and 12,018.85

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Solution

The fourth proportional to 22,090.53, 30,484.62 and 12,018.85 is: 16,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.53 : 30,484.62 = 12,018.85 : x
  2. Step 2: Convert to fraction form
    22,090.53/30,484.62 = 12,018.85/x
  3. Step 3: Cross multiply
    22,090.53x = 30,484.62 × 12,018.85
  4. Step 4: Simplify right side
    22,090.53x = 366,390,075.09
  5. Step 5: Solve for x
    x = 366,390,075.09/22,090.53
  6. Step 6: Final answer
    x = 16,585.84

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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.