Home / 21,302.29-29,400.06-12,352.60

Finding the Fourth Proportional to 21,302.29, 29,400.06 and 12,352.60

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Solution

The fourth proportional to 21,302.29, 29,400.06 and 12,352.60 is: 17,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302.29 : 29,400.06 = 12,352.60 : x
  2. Step 2: Convert to fraction form
    21,302.29/29,400.06 = 12,352.60/x
  3. Step 3: Cross multiply
    21,302.29x = 29,400.06 × 12,352.60
  4. Step 4: Simplify right side
    21,302.29x = 363,167,181.16
  5. Step 5: Solve for x
    x = 363,167,181.16/21,302.29
  6. Step 6: Final answer
    x = 17,048.27

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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.