Home / 22,905.40-34,359.70-9,052.60

Finding the Fourth Proportional to 22,905.40, 34,359.70 and 9,052.60

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Solution

The fourth proportional to 22,905.40, 34,359.70 and 9,052.60 is: 13,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.40 : 34,359.70 = 9,052.60 : x
  2. Step 2: Convert to fraction form
    22,905.40/34,359.70 = 9,052.60/x
  3. Step 3: Cross multiply
    22,905.40x = 34,359.70 × 9,052.60
  4. Step 4: Simplify right side
    22,905.40x = 311,044,620.22
  5. Step 5: Solve for x
    x = 311,044,620.22/22,905.40
  6. Step 6: Final answer
    x = 13,579.53

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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.