Home / 13,352.42-20,030.62-4,918.28

Finding the Fourth Proportional to 13,352.42, 20,030.62 and 4,918.28

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Solution

The fourth proportional to 13,352.42, 20,030.62 and 4,918.28 is: 7,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.42 : 20,030.62 = 4,918.28 : x
  2. Step 2: Convert to fraction form
    13,352.42/20,030.62 = 4,918.28/x
  3. Step 3: Cross multiply
    13,352.42x = 20,030.62 × 4,918.28
  4. Step 4: Simplify right side
    13,352.42x = 98,516,123.07
  5. Step 5: Solve for x
    x = 98,516,123.07/13,352.42
  6. Step 6: Final answer
    x = 7,378.15

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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.