Home / 21,563.34-29,754.81-12,000.83

Finding the Fourth Proportional to 21,563.34, 29,754.81 and 12,000.83

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Solution

The fourth proportional to 21,563.34, 29,754.81 and 12,000.83 is: 16,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.34 : 29,754.81 = 12,000.83 : x
  2. Step 2: Convert to fraction form
    21,563.34/29,754.81 = 12,000.83/x
  3. Step 3: Cross multiply
    21,563.34x = 29,754.81 × 12,000.83
  4. Step 4: Simplify right side
    21,563.34x = 357,082,416.49
  5. Step 5: Solve for x
    x = 357,082,416.49/21,563.34
  6. Step 6: Final answer
    x = 16,559.70

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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.