Home / 18,018.05-26,990.79-8,984.93

Finding the Fourth Proportional to 18,018.05, 26,990.79 and 8,984.93

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Solution

The fourth proportional to 18,018.05, 26,990.79 and 8,984.93 is: 13,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.05 : 26,990.79 = 8,984.93 : x
  2. Step 2: Convert to fraction form
    18,018.05/26,990.79 = 8,984.93/x
  3. Step 3: Cross multiply
    18,018.05x = 26,990.79 × 8,984.93
  4. Step 4: Simplify right side
    18,018.05x = 242,510,358.79
  5. Step 5: Solve for x
    x = 242,510,358.79/18,018.05
  6. Step 6: Final answer
    x = 13,459.30

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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.