Home / 19,397.98-26,769.12-11,333.20

Finding the Fourth Proportional to 19,397.98, 26,769.12 and 11,333.20

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Solution

The fourth proportional to 19,397.98, 26,769.12 and 11,333.20 is: 15,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.98 : 26,769.12 = 11,333.20 : x
  2. Step 2: Convert to fraction form
    19,397.98/26,769.12 = 11,333.20/x
  3. Step 3: Cross multiply
    19,397.98x = 26,769.12 × 11,333.20
  4. Step 4: Simplify right side
    19,397.98x = 303,379,790.78
  5. Step 5: Solve for x
    x = 303,379,790.78/19,397.98
  6. Step 6: Final answer
    x = 15,639.76

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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.