Home / 19,768.05-29,647.40-5,724.36

Finding the Fourth Proportional to 19,768.05, 29,647.40 and 5,724.36

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Solution

The fourth proportional to 19,768.05, 29,647.40 and 5,724.36 is: 8,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.05 : 29,647.40 = 5,724.36 : x
  2. Step 2: Convert to fraction form
    19,768.05/29,647.40 = 5,724.36/x
  3. Step 3: Cross multiply
    19,768.05x = 29,647.40 × 5,724.36
  4. Step 4: Simplify right side
    19,768.05x = 169,712,376.70
  5. Step 5: Solve for x
    x = 169,712,376.70/19,768.05
  6. Step 6: Final answer
    x = 8,585.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.