Home / 10,490.63-15,735.98-4,250.76

Finding the Fourth Proportional to 10,490.63, 15,735.98 and 4,250.76

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Solution

The fourth proportional to 10,490.63, 15,735.98 and 4,250.76 is: 6,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.63 : 15,735.98 = 4,250.76 : x
  2. Step 2: Convert to fraction form
    10,490.63/15,735.98 = 4,250.76/x
  3. Step 3: Cross multiply
    10,490.63x = 15,735.98 × 4,250.76
  4. Step 4: Simplify right side
    10,490.63x = 66,889,837.47
  5. Step 5: Solve for x
    x = 66,889,837.47/10,490.63
  6. Step 6: Final answer
    x = 6,376.15

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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.