Home / 19,959.54-27,543.22-11,455.75

Finding the Fourth Proportional to 19,959.54, 27,543.22 and 11,455.75

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Solution

The fourth proportional to 19,959.54, 27,543.22 and 11,455.75 is: 15,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.54 : 27,543.22 = 11,455.75 : x
  2. Step 2: Convert to fraction form
    19,959.54/27,543.22 = 11,455.75/x
  3. Step 3: Cross multiply
    19,959.54x = 27,543.22 × 11,455.75
  4. Step 4: Simplify right side
    19,959.54x = 315,528,242.52
  5. Step 5: Solve for x
    x = 315,528,242.52/19,959.54
  6. Step 6: Final answer
    x = 15,808.39

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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.