Home / 13,246.31-19,865.07-5,346.78

Finding the Fourth Proportional to 13,246.31, 19,865.07 and 5,346.78

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Solution

The fourth proportional to 13,246.31, 19,865.07 and 5,346.78 is: 8,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.31 : 19,865.07 = 5,346.78 : x
  2. Step 2: Convert to fraction form
    13,246.31/19,865.07 = 5,346.78/x
  3. Step 3: Cross multiply
    13,246.31x = 19,865.07 × 5,346.78
  4. Step 4: Simplify right side
    13,246.31x = 106,214,158.97
  5. Step 5: Solve for x
    x = 106,214,158.97/13,246.31
  6. Step 6: Final answer
    x = 8,018.40

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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.