Home / 10,358.19-15,539.57-3,784.36

Finding the Fourth Proportional to 10,358.19, 15,539.57 and 3,784.36

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Solution

The fourth proportional to 10,358.19, 15,539.57 and 3,784.36 is: 5,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.19 : 15,539.57 = 3,784.36 : x
  2. Step 2: Convert to fraction form
    10,358.19/15,539.57 = 3,784.36/x
  3. Step 3: Cross multiply
    10,358.19x = 15,539.57 × 3,784.36
  4. Step 4: Simplify right side
    10,358.19x = 58,807,327.13
  5. Step 5: Solve for x
    x = 58,807,327.13/10,358.19
  6. Step 6: Final answer
    x = 5,677.37

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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.