Home / 21,705.54-29,952.77-12,274.26

Finding the Fourth Proportional to 21,705.54, 29,952.77 and 12,274.26

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Solution

The fourth proportional to 21,705.54, 29,952.77 and 12,274.26 is: 16,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705.54 : 29,952.77 = 12,274.26 : x
  2. Step 2: Convert to fraction form
    21,705.54/29,952.77 = 12,274.26/x
  3. Step 3: Cross multiply
    21,705.54x = 29,952.77 × 12,274.26
  4. Step 4: Simplify right side
    21,705.54x = 367,648,025.33
  5. Step 5: Solve for x
    x = 367,648,025.33/21,705.54
  6. Step 6: Final answer
    x = 16,937.98

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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.