Home / 19,825.51-29,728.86-11,508.07

Finding the Fourth Proportional to 19,825.51, 29,728.86 and 11,508.07

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Solution

The fourth proportional to 19,825.51, 29,728.86 and 11,508.07 is: 17,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.51 : 29,728.86 = 11,508.07 : x
  2. Step 2: Convert to fraction form
    19,825.51/29,728.86 = 11,508.07/x
  3. Step 3: Cross multiply
    19,825.51x = 29,728.86 × 11,508.07
  4. Step 4: Simplify right side
    19,825.51x = 342,121,801.90
  5. Step 5: Solve for x
    x = 342,121,801.90/19,825.51
  6. Step 6: Final answer
    x = 17,256.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.