Home / 15,259.06-21,055.07-8,544.97

Finding the Fourth Proportional to 15,259.06, 21,055.07 and 8,544.97

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Solution

The fourth proportional to 15,259.06, 21,055.07 and 8,544.97 is: 11,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.06 : 21,055.07 = 8,544.97 : x
  2. Step 2: Convert to fraction form
    15,259.06/21,055.07 = 8,544.97/x
  3. Step 3: Cross multiply
    15,259.06x = 21,055.07 × 8,544.97
  4. Step 4: Simplify right side
    15,259.06x = 179,914,941.50
  5. Step 5: Solve for x
    x = 179,914,941.50/15,259.06
  6. Step 6: Final answer
    x = 11,790.70

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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.