Home / 22,953.20-34,429.80-12,455.60

Finding the Fourth Proportional to 22,953.20, 34,429.80 and 12,455.60

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Solution

The fourth proportional to 22,953.20, 34,429.80 and 12,455.60 is: 18,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,953.20 : 34,429.80 = 12,455.60 : x
  2. Step 2: Convert to fraction form
    22,953.20/34,429.80 = 12,455.60/x
  3. Step 3: Cross multiply
    22,953.20x = 34,429.80 × 12,455.60
  4. Step 4: Simplify right side
    22,953.20x = 428,843,816.88
  5. Step 5: Solve for x
    x = 428,843,816.88/22,953.20
  6. Step 6: Final answer
    x = 18,683.40

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1.5x scale

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.