Home / 12,958.51-19,341.57-11,171.92

Finding the Fourth Proportional to 12,958.51, 19,341.57 and 11,171.92

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Solution

The fourth proportional to 12,958.51, 19,341.57 and 11,171.92 is: 16,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958.51 : 19,341.57 = 11,171.92 : x
  2. Step 2: Convert to fraction form
    12,958.51/19,341.57 = 11,171.92/x
  3. Step 3: Cross multiply
    12,958.51x = 19,341.57 × 11,171.92
  4. Step 4: Simplify right side
    12,958.51x = 216,082,472.71
  5. Step 5: Solve for x
    x = 216,082,472.71/12,958.51
  6. Step 6: Final answer
    x = 16,674.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.