Home / 15,270.40-22,889.62-6,390.82

Finding the Fourth Proportional to 15,270.40, 22,889.62 and 6,390.82

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Solution

The fourth proportional to 15,270.40, 22,889.62 and 6,390.82 is: 9,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.40 : 22,889.62 = 6,390.82 : x
  2. Step 2: Convert to fraction form
    15,270.40/22,889.62 = 6,390.82/x
  3. Step 3: Cross multiply
    15,270.40x = 22,889.62 × 6,390.82
  4. Step 4: Simplify right side
    15,270.40x = 146,283,425.31
  5. Step 5: Solve for x
    x = 146,283,425.31/15,270.40
  6. Step 6: Final answer
    x = 9,579.54

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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.