Home / 10,639.08-15,958.61-10,623.70

Finding the Fourth Proportional to 10,639.08, 15,958.61 and 10,623.70

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Solution

The fourth proportional to 10,639.08, 15,958.61 and 10,623.70 is: 15,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.08 : 15,958.61 = 10,623.70 : x
  2. Step 2: Convert to fraction form
    10,639.08/15,958.61 = 10,623.70/x
  3. Step 3: Cross multiply
    10,639.08x = 15,958.61 × 10,623.70
  4. Step 4: Simplify right side
    10,639.08x = 169,539,485.06
  5. Step 5: Solve for x
    x = 169,539,485.06/10,639.08
  6. Step 6: Final answer
    x = 15,935.54

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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.