Home / 14,921.36-20,590.36-8,632.52

Finding the Fourth Proportional to 14,921.36, 20,590.36 and 8,632.52

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Solution

The fourth proportional to 14,921.36, 20,590.36 and 8,632.52 is: 11,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.36 : 20,590.36 = 8,632.52 : x
  2. Step 2: Convert to fraction form
    14,921.36/20,590.36 = 8,632.52/x
  3. Step 3: Cross multiply
    14,921.36x = 20,590.36 × 8,632.52
  4. Step 4: Simplify right side
    14,921.36x = 177,746,694.51
  5. Step 5: Solve for x
    x = 177,746,694.51/14,921.36
  6. Step 6: Final answer
    x = 11,912.23

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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.