Home / 19,123.46-26,390.91-11,166.42

Finding the Fourth Proportional to 19,123.46, 26,390.91 and 11,166.42

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Solution

The fourth proportional to 19,123.46, 26,390.91 and 11,166.42 is: 15,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.46 : 26,390.91 = 11,166.42 : x
  2. Step 2: Convert to fraction form
    19,123.46/26,390.91 = 11,166.42/x
  3. Step 3: Cross multiply
    19,123.46x = 26,390.91 × 11,166.42
  4. Step 4: Simplify right side
    19,123.46x = 294,691,985.24
  5. Step 5: Solve for x
    x = 294,691,985.24/19,123.46
  6. Step 6: Final answer
    x = 15,409.98

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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.