Home / 19,150.85-26,429.76-10,654.57

Finding the Fourth Proportional to 19,150.85, 26,429.76 and 10,654.57

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Solution

The fourth proportional to 19,150.85, 26,429.76 and 10,654.57 is: 14,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.85 : 26,429.76 = 10,654.57 : x
  2. Step 2: Convert to fraction form
    19,150.85/26,429.76 = 10,654.57/x
  3. Step 3: Cross multiply
    19,150.85x = 26,429.76 × 10,654.57
  4. Step 4: Simplify right side
    19,150.85x = 281,597,595.85
  5. Step 5: Solve for x
    x = 281,597,595.85/19,150.85
  6. Step 6: Final answer
    x = 14,704.19

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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.