Home / 19,123.29-26,402.94-11,964.06

Finding the Fourth Proportional to 19,123.29, 26,402.94 and 11,964.06

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Solution

The fourth proportional to 19,123.29, 26,402.94 and 11,964.06 is: 16,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.29 : 26,402.94 = 11,964.06 : x
  2. Step 2: Convert to fraction form
    19,123.29/26,402.94 = 11,964.06/x
  3. Step 3: Cross multiply
    19,123.29x = 26,402.94 × 11,964.06
  4. Step 4: Simplify right side
    19,123.29x = 315,886,358.34
  5. Step 5: Solve for x
    x = 315,886,358.34/19,123.29
  6. Step 6: Final answer
    x = 16,518.41

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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.