Home / 19,331.09-26,639.55-13,732.37

Finding the Fourth Proportional to 19,331.09, 26,639.55 and 13,732.37

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Solution

The fourth proportional to 19,331.09, 26,639.55 and 13,732.37 is: 18,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.09 : 26,639.55 = 13,732.37 : x
  2. Step 2: Convert to fraction form
    19,331.09/26,639.55 = 13,732.37/x
  3. Step 3: Cross multiply
    19,331.09x = 26,639.55 × 13,732.37
  4. Step 4: Simplify right side
    19,331.09x = 365,824,024.04
  5. Step 5: Solve for x
    x = 365,824,024.04/19,331.09
  6. Step 6: Final answer
    x = 18,924.13

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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.