Home / 21,402.91-32,083.30-12,506.95

Finding the Fourth Proportional to 21,402.91, 32,083.30 and 12,506.95

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Solution

The fourth proportional to 21,402.91, 32,083.30 and 12,506.95 is: 18,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.91 : 32,083.30 = 12,506.95 : x
  2. Step 2: Convert to fraction form
    21,402.91/32,083.30 = 12,506.95/x
  3. Step 3: Cross multiply
    21,402.91x = 32,083.30 × 12,506.95
  4. Step 4: Simplify right side
    21,402.91x = 401,264,005.98
  5. Step 5: Solve for x
    x = 401,264,005.98/21,402.91
  6. Step 6: Final answer
    x = 18,748.11

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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.