Home / 21,024.30-29,013.75-11,464.11

Finding the Fourth Proportional to 21,024.30, 29,013.75 and 11,464.11

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Solution

The fourth proportional to 21,024.30, 29,013.75 and 11,464.11 is: 15,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.30 : 29,013.75 = 11,464.11 : x
  2. Step 2: Convert to fraction form
    21,024.30/29,013.75 = 11,464.11/x
  3. Step 3: Cross multiply
    21,024.30x = 29,013.75 × 11,464.11
  4. Step 4: Simplify right side
    21,024.30x = 332,616,821.51
  5. Step 5: Solve for x
    x = 332,616,821.51/21,024.30
  6. Step 6: Final answer
    x = 15,820.59

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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.