Home / 12,490.83-18,735.62-4,592.74

Finding the Fourth Proportional to 12,490.83, 18,735.62 and 4,592.74

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Solution

The fourth proportional to 12,490.83, 18,735.62 and 4,592.74 is: 6,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490.83 : 18,735.62 = 4,592.74 : x
  2. Step 2: Convert to fraction form
    12,490.83/18,735.62 = 4,592.74/x
  3. Step 3: Cross multiply
    12,490.83x = 18,735.62 × 4,592.74
  4. Step 4: Simplify right side
    12,490.83x = 86,047,805.90
  5. Step 5: Solve for x
    x = 86,047,805.90/12,490.83
  6. Step 6: Final answer
    x = 6,888.88

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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.