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Finding the Fourth Proportional to 10,357.70, 15,527.13 and 3,779.30

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Solution

The fourth proportional to 10,357.70, 15,527.13 and 3,779.30 is: 5,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.70 : 15,527.13 = 3,779.30 : x
  2. Step 2: Convert to fraction form
    10,357.70/15,527.13 = 3,779.30/x
  3. Step 3: Cross multiply
    10,357.70x = 15,527.13 × 3,779.30
  4. Step 4: Simplify right side
    10,357.70x = 58,681,682.41
  5. Step 5: Solve for x
    x = 58,681,682.41/10,357.70
  6. Step 6: Final answer
    x = 5,665.51

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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.