Home / 21,485.23-32,208.37-11,612.98

Finding the Fourth Proportional to 21,485.23, 32,208.37 and 11,612.98

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Solution

The fourth proportional to 21,485.23, 32,208.37 and 11,612.98 is: 17,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.23 : 32,208.37 = 11,612.98 : x
  2. Step 2: Convert to fraction form
    21,485.23/32,208.37 = 11,612.98/x
  3. Step 3: Cross multiply
    21,485.23x = 32,208.37 × 11,612.98
  4. Step 4: Simplify right side
    21,485.23x = 374,035,077.28
  5. Step 5: Solve for x
    x = 374,035,077.28/21,485.23
  6. Step 6: Final answer
    x = 17,408.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.