Home / 16,482.34-22,748.84-12,890.17

Finding the Fourth Proportional to 16,482.34, 22,748.84 and 12,890.17

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Solution

The fourth proportional to 16,482.34, 22,748.84 and 12,890.17 is: 17,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,482.34 : 22,748.84 = 12,890.17 : x
  2. Step 2: Convert to fraction form
    16,482.34/22,748.84 = 12,890.17/x
  3. Step 3: Cross multiply
    16,482.34x = 22,748.84 × 12,890.17
  4. Step 4: Simplify right side
    16,482.34x = 293,236,414.90
  5. Step 5: Solve for x
    x = 293,236,414.90/16,482.34
  6. Step 6: Final answer
    x = 17,790.95

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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.