Home / 19,959.24-27,545.40-11,007.60

Finding the Fourth Proportional to 19,959.24, 27,545.40 and 11,007.60

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Solution

The fourth proportional to 19,959.24, 27,545.40 and 11,007.60 is: 15,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.24 : 27,545.40 = 11,007.60 : x
  2. Step 2: Convert to fraction form
    19,959.24/27,545.40 = 11,007.60/x
  3. Step 3: Cross multiply
    19,959.24x = 27,545.40 × 11,007.60
  4. Step 4: Simplify right side
    19,959.24x = 303,208,745.04
  5. Step 5: Solve for x
    x = 303,208,745.04/19,959.24
  6. Step 6: Final answer
    x = 15,191.40

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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.