Home / 15,290.35-22,938.98-5,429.64

Finding the Fourth Proportional to 15,290.35, 22,938.98 and 5,429.64

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Solution

The fourth proportional to 15,290.35, 22,938.98 and 5,429.64 is: 8,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.35 : 22,938.98 = 5,429.64 : x
  2. Step 2: Convert to fraction form
    15,290.35/22,938.98 = 5,429.64/x
  3. Step 3: Cross multiply
    15,290.35x = 22,938.98 × 5,429.64
  4. Step 4: Simplify right side
    15,290.35x = 124,550,359.59
  5. Step 5: Solve for x
    x = 124,550,359.59/15,290.35
  6. Step 6: Final answer
    x = 8,145.68

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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.