Home / 21,994.41-30,353.90-12,562.77

Finding the Fourth Proportional to 21,994.41, 30,353.90 and 12,562.77

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Solution

The fourth proportional to 21,994.41, 30,353.90 and 12,562.77 is: 17,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.41 : 30,353.90 = 12,562.77 : x
  2. Step 2: Convert to fraction form
    21,994.41/30,353.90 = 12,562.77/x
  3. Step 3: Cross multiply
    21,994.41x = 30,353.90 × 12,562.77
  4. Step 4: Simplify right side
    21,994.41x = 381,329,001.49
  5. Step 5: Solve for x
    x = 381,329,001.49/21,994.41
  6. Step 6: Final answer
    x = 17,337.54

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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.