Home / 19,331.34-26,639.89-13,732.62

Finding the Fourth Proportional to 19,331.34, 26,639.89 and 13,732.62

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Solution

The fourth proportional to 19,331.34, 26,639.89 and 13,732.62 is: 18,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.34 : 26,639.89 = 13,732.62 : x
  2. Step 2: Convert to fraction form
    19,331.34/26,639.89 = 13,732.62/x
  3. Step 3: Cross multiply
    19,331.34x = 26,639.89 × 13,732.62
  4. Step 4: Simplify right side
    19,331.34x = 365,835,486.21
  5. Step 5: Solve for x
    x = 365,835,486.21/19,331.34
  6. Step 6: Final answer
    x = 18,924.48

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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.