Home / 14,446.92-19,953.12-9,723

Finding the Fourth Proportional to 14,446.92, 19,953.12 and 9,723

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Solution

The fourth proportional to 14,446.92, 19,953.12 and 9,723 is: 13,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.92 : 19,953.12 = 9,723 : x
  2. Step 2: Convert to fraction form
    14,446.92/19,953.12 = 9,723/x
  3. Step 3: Cross multiply
    14,446.92x = 19,953.12 × 9,723
  4. Step 4: Simplify right side
    14,446.92x = 194,004,185.76
  5. Step 5: Solve for x
    x = 194,004,185.76/14,446.92
  6. Step 6: Final answer
    x = 13,428.76

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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.