Home / 21,602.57-32,408.27-12,246.77

Finding the Fourth Proportional to 21,602.57, 32,408.27 and 12,246.77

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Solution

The fourth proportional to 21,602.57, 32,408.27 and 12,246.77 is: 18,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,602.57 : 32,408.27 = 12,246.77 : x
  2. Step 2: Convert to fraction form
    21,602.57/32,408.27 = 12,246.77/x
  3. Step 3: Cross multiply
    21,602.57x = 32,408.27 × 12,246.77
  4. Step 4: Simplify right side
    21,602.57x = 396,896,603.35
  5. Step 5: Solve for x
    x = 396,896,603.35/21,602.57
  6. Step 6: Final answer
    x = 18,372.65

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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.