Home / 13,260.86-19,881.30-11,433.50

Finding the Fourth Proportional to 13,260.86, 19,881.30 and 11,433.50

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Solution

The fourth proportional to 13,260.86, 19,881.30 and 11,433.50 is: 17,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.86 : 19,881.30 = 11,433.50 : x
  2. Step 2: Convert to fraction form
    13,260.86/19,881.30 = 11,433.50/x
  3. Step 3: Cross multiply
    13,260.86x = 19,881.30 × 11,433.50
  4. Step 4: Simplify right side
    13,260.86x = 227,312,843.55
  5. Step 5: Solve for x
    x = 227,312,843.55/13,260.86
  6. Step 6: Final answer
    x = 17,141.64

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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.