Home / 13,018.13-19,528.13-5,226.94

Finding the Fourth Proportional to 13,018.13, 19,528.13 and 5,226.94

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Solution

The fourth proportional to 13,018.13, 19,528.13 and 5,226.94 is: 7,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.13 : 19,528.13 = 5,226.94 : x
  2. Step 2: Convert to fraction form
    13,018.13/19,528.13 = 5,226.94/x
  3. Step 3: Cross multiply
    13,018.13x = 19,528.13 × 5,226.94
  4. Step 4: Simplify right side
    13,018.13x = 102,072,328.07
  5. Step 5: Solve for x
    x = 102,072,328.07/13,018.13
  6. Step 6: Final answer
    x = 7,840.79

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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.