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Finding the Fourth Proportional to 10,341.60, 15,526.80 and 6,453.60

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Solution

The fourth proportional to 10,341.60, 15,526.80 and 6,453.60 is: 9,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.60 : 15,526.80 = 6,453.60 : x
  2. Step 2: Convert to fraction form
    10,341.60/15,526.80 = 6,453.60/x
  3. Step 3: Cross multiply
    10,341.60x = 15,526.80 × 6,453.60
  4. Step 4: Simplify right side
    10,341.60x = 100,203,756.48
  5. Step 5: Solve for x
    x = 100,203,756.48/10,341.60
  6. Step 6: Final answer
    x = 9,689.39

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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.