Home / 19,285.60-28,933.02-6,635.14

Finding the Fourth Proportional to 19,285.60, 28,933.02 and 6,635.14

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Solution

The fourth proportional to 19,285.60, 28,933.02 and 6,635.14 is: 9,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.60 : 28,933.02 = 6,635.14 : x
  2. Step 2: Convert to fraction form
    19,285.60/28,933.02 = 6,635.14/x
  3. Step 3: Cross multiply
    19,285.60x = 28,933.02 × 6,635.14
  4. Step 4: Simplify right side
    19,285.60x = 191,974,638.32
  5. Step 5: Solve for x
    x = 191,974,638.32/19,285.60
  6. Step 6: Final answer
    x = 9,954.30

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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.