Home / 12,350.28-18,528.54-3,585

Finding the Fourth Proportional to 12,350.28, 18,528.54 and 3,585

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Solution

The fourth proportional to 12,350.28, 18,528.54 and 3,585 is: 5,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.28 : 18,528.54 = 3,585 : x
  2. Step 2: Convert to fraction form
    12,350.28/18,528.54 = 3,585/x
  3. Step 3: Cross multiply
    12,350.28x = 18,528.54 × 3,585
  4. Step 4: Simplify right side
    12,350.28x = 66,424,815.90
  5. Step 5: Solve for x
    x = 66,424,815.90/12,350.28
  6. Step 6: Final answer
    x = 5,378.41

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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.