Home / 13,018.51-19,524.68-5,618.93

Finding the Fourth Proportional to 13,018.51, 19,524.68 and 5,618.93

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Solution

The fourth proportional to 13,018.51, 19,524.68 and 5,618.93 is: 8,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.51 : 19,524.68 = 5,618.93 : x
  2. Step 2: Convert to fraction form
    13,018.51/19,524.68 = 5,618.93/x
  3. Step 3: Cross multiply
    13,018.51x = 19,524.68 × 5,618.93
  4. Step 4: Simplify right side
    13,018.51x = 109,707,684.47
  5. Step 5: Solve for x
    x = 109,707,684.47/13,018.51
  6. Step 6: Final answer
    x = 8,427.06

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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.