Home / 21,062.08-29,065.43-11,501.93

Finding the Fourth Proportional to 21,062.08, 29,065.43 and 11,501.93

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Solution

The fourth proportional to 21,062.08, 29,065.43 and 11,501.93 is: 15,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.08 : 29,065.43 = 11,501.93 : x
  2. Step 2: Convert to fraction form
    21,062.08/29,065.43 = 11,501.93/x
  3. Step 3: Cross multiply
    21,062.08x = 29,065.43 × 11,501.93
  4. Step 4: Simplify right side
    21,062.08x = 334,308,642.70
  5. Step 5: Solve for x
    x = 334,308,642.70/21,062.08
  6. Step 6: Final answer
    x = 15,872.54

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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.