Home / 13,018.12-19,523.14-4,697.05

Finding the Fourth Proportional to 13,018.12, 19,523.14 and 4,697.05

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Solution

The fourth proportional to 13,018.12, 19,523.14 and 4,697.05 is: 7,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.12 : 19,523.14 = 4,697.05 : x
  2. Step 2: Convert to fraction form
    13,018.12/19,523.14 = 4,697.05/x
  3. Step 3: Cross multiply
    13,018.12x = 19,523.14 × 4,697.05
  4. Step 4: Simplify right side
    13,018.12x = 91,701,141.25
  5. Step 5: Solve for x
    x = 91,701,141.25/13,018.12
  6. Step 6: Final answer
    x = 7,044.12

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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.