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Finding the Fourth Proportional to 10,533.60, 15,789.60 and 6,148.80

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Solution

The fourth proportional to 10,533.60, 15,789.60 and 6,148.80 is: 9,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.60 : 15,789.60 = 6,148.80 : x
  2. Step 2: Convert to fraction form
    10,533.60/15,789.60 = 6,148.80/x
  3. Step 3: Cross multiply
    10,533.60x = 15,789.60 × 6,148.80
  4. Step 4: Simplify right side
    10,533.60x = 97,087,092.48
  5. Step 5: Solve for x
    x = 97,087,092.48/10,533.60
  6. Step 6: Final answer
    x = 9,216.90

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