Home / 13,018.12-19,527.78-4,253.08

Finding the Fourth Proportional to 13,018.12, 19,527.78 and 4,253.08

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Solution

The fourth proportional to 13,018.12, 19,527.78 and 4,253.08 is: 6,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.12 : 19,527.78 = 4,253.08 : x
  2. Step 2: Convert to fraction form
    13,018.12/19,527.78 = 4,253.08/x
  3. Step 3: Cross multiply
    13,018.12x = 19,527.78 × 4,253.08
  4. Step 4: Simplify right side
    13,018.12x = 83,053,210.56
  5. Step 5: Solve for x
    x = 83,053,210.56/13,018.12
  6. Step 6: Final answer
    x = 6,379.82

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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.