Home / 15,142.60-22,704.90-9,303.40

Finding the Fourth Proportional to 15,142.60, 22,704.90 and 9,303.40

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Solution

The fourth proportional to 15,142.60, 22,704.90 and 9,303.40 is: 13,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.60 : 22,704.90 = 9,303.40 : x
  2. Step 2: Convert to fraction form
    15,142.60/22,704.90 = 9,303.40/x
  3. Step 3: Cross multiply
    15,142.60x = 22,704.90 × 9,303.40
  4. Step 4: Simplify right side
    15,142.60x = 211,232,766.66
  5. Step 5: Solve for x
    x = 211,232,766.66/15,142.60
  6. Step 6: Final answer
    x = 13,949.57

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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.