Home / 11,259.45-15,544.37-7,487.75

Finding the Fourth Proportional to 11,259.45, 15,544.37 and 7,487.75

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Solution

The fourth proportional to 11,259.45, 15,544.37 and 7,487.75 is: 10,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.45 : 15,544.37 = 7,487.75 : x
  2. Step 2: Convert to fraction form
    11,259.45/15,544.37 = 7,487.75/x
  3. Step 3: Cross multiply
    11,259.45x = 15,544.37 × 7,487.75
  4. Step 4: Simplify right side
    11,259.45x = 116,392,356.47
  5. Step 5: Solve for x
    x = 116,392,356.47/11,259.45
  6. Step 6: Final answer
    x = 10,337.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.