Home / 19,583.36-29,364-6,432.20

Finding the Fourth Proportional to 19,583.36, 29,364 and 6,432.20

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Solution

The fourth proportional to 19,583.36, 29,364 and 6,432.20 is: 9,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.36 : 29,364 = 6,432.20 : x
  2. Step 2: Convert to fraction form
    19,583.36/29,364 = 6,432.20/x
  3. Step 3: Cross multiply
    19,583.36x = 29,364 × 6,432.20
  4. Step 4: Simplify right side
    19,583.36x = 188,875,120.80
  5. Step 5: Solve for x
    x = 188,875,120.80/19,583.36
  6. Step 6: Final answer
    x = 9,644.67

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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.