Home / 13,030.80-19,544.16-3,671.52

Finding the Fourth Proportional to 13,030.80, 19,544.16 and 3,671.52

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Solution

The fourth proportional to 13,030.80, 19,544.16 and 3,671.52 is: 5,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.80 : 19,544.16 = 3,671.52 : x
  2. Step 2: Convert to fraction form
    13,030.80/19,544.16 = 3,671.52/x
  3. Step 3: Cross multiply
    13,030.80x = 19,544.16 × 3,671.52
  4. Step 4: Simplify right side
    13,030.80x = 71,756,774.32
  5. Step 5: Solve for x
    x = 71,756,774.32/13,030.80
  6. Step 6: Final answer
    x = 5,506.71

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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.