Home / 10,077.30-15,056.28-9,732.78

Finding the Fourth Proportional to 10,077.30, 15,056.28 and 9,732.78

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Solution

The fourth proportional to 10,077.30, 15,056.28 and 9,732.78 is: 14,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.30 : 15,056.28 = 9,732.78 : x
  2. Step 2: Convert to fraction form
    10,077.30/15,056.28 = 9,732.78/x
  3. Step 3: Cross multiply
    10,077.30x = 15,056.28 × 9,732.78
  4. Step 4: Simplify right side
    10,077.30x = 146,539,460.86
  5. Step 5: Solve for x
    x = 146,539,460.86/10,077.30
  6. Step 6: Final answer
    x = 14,541.54

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.