Home / 21,537.52-29,717.42-12,583.29

Finding the Fourth Proportional to 21,537.52, 29,717.42 and 12,583.29

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Solution

The fourth proportional to 21,537.52, 29,717.42 and 12,583.29 is: 17,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.52 : 29,717.42 = 12,583.29 : x
  2. Step 2: Convert to fraction form
    21,537.52/29,717.42 = 12,583.29/x
  3. Step 3: Cross multiply
    21,537.52x = 29,717.42 × 12,583.29
  4. Step 4: Simplify right side
    21,537.52x = 373,942,980.34
  5. Step 5: Solve for x
    x = 373,942,980.34/21,537.52
  6. Step 6: Final answer
    x = 17,362.40

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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.