Home / 9,415.71-14,123.66-2,490.21

Finding the Fourth Proportional to 9,415.71, 14,123.66 and 2,490.21

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Solution

The fourth proportional to 9,415.71, 14,123.66 and 2,490.21 is: 3,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.71 : 14,123.66 = 2,490.21 : x
  2. Step 2: Convert to fraction form
    9,415.71/14,123.66 = 2,490.21/x
  3. Step 3: Cross multiply
    9,415.71x = 14,123.66 × 2,490.21
  4. Step 4: Simplify right side
    9,415.71x = 35,170,866.92
  5. Step 5: Solve for x
    x = 35,170,866.92/9,415.71
  6. Step 6: Final answer
    x = 3,735.34

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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.