Home / 10,260.36-15,391.98-3,685.32

Finding the Fourth Proportional to 10,260.36, 15,391.98 and 3,685.32

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Solution

The fourth proportional to 10,260.36, 15,391.98 and 3,685.32 is: 5,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.36 : 15,391.98 = 3,685.32 : x
  2. Step 2: Convert to fraction form
    10,260.36/15,391.98 = 3,685.32/x
  3. Step 3: Cross multiply
    10,260.36x = 15,391.98 × 3,685.32
  4. Step 4: Simplify right side
    10,260.36x = 56,724,371.73
  5. Step 5: Solve for x
    x = 56,724,371.73/10,260.36
  6. Step 6: Final answer
    x = 5,528.50

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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.