Home / 10,382.14-15,628.63-9,310.50

Finding the Fourth Proportional to 10,382.14, 15,628.63 and 9,310.50

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Solution

The fourth proportional to 10,382.14, 15,628.63 and 9,310.50 is: 14,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.14 : 15,628.63 = 9,310.50 : x
  2. Step 2: Convert to fraction form
    10,382.14/15,628.63 = 9,310.50/x
  3. Step 3: Cross multiply
    10,382.14x = 15,628.63 × 9,310.50
  4. Step 4: Simplify right side
    10,382.14x = 145,510,359.62
  5. Step 5: Solve for x
    x = 145,510,359.62/10,382.14
  6. Step 6: Final answer
    x = 14,015.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.