Home / 19,583.28-29,373.98-6,435.77

Finding the Fourth Proportional to 19,583.28, 29,373.98 and 6,435.77

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Solution

The fourth proportional to 19,583.28, 29,373.98 and 6,435.77 is: 9,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.28 : 29,373.98 = 6,435.77 : x
  2. Step 2: Convert to fraction form
    19,583.28/29,373.98 = 6,435.77/x
  3. Step 3: Cross multiply
    19,583.28x = 29,373.98 × 6,435.77
  4. Step 4: Simplify right side
    19,583.28x = 189,044,000.22
  5. Step 5: Solve for x
    x = 189,044,000.22/19,583.28
  6. Step 6: Final answer
    x = 9,653.34

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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.