Home / 13,264.86-19,887.30-11,437.50

Finding the Fourth Proportional to 13,264.86, 19,887.30 and 11,437.50

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Solution

The fourth proportional to 13,264.86, 19,887.30 and 11,437.50 is: 17,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.86 : 19,887.30 = 11,437.50 : x
  2. Step 2: Convert to fraction form
    13,264.86/19,887.30 = 11,437.50/x
  3. Step 3: Cross multiply
    13,264.86x = 19,887.30 × 11,437.50
  4. Step 4: Simplify right side
    13,264.86x = 227,460,993.75
  5. Step 5: Solve for x
    x = 227,460,993.75/13,264.86
  6. Step 6: Final answer
    x = 17,147.64

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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.