Home / 10,619.96-15,930.12-5,947.16

Finding the Fourth Proportional to 10,619.96, 15,930.12 and 5,947.16

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Solution

The fourth proportional to 10,619.96, 15,930.12 and 5,947.16 is: 8,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.96 : 15,930.12 = 5,947.16 : x
  2. Step 2: Convert to fraction form
    10,619.96/15,930.12 = 5,947.16/x
  3. Step 3: Cross multiply
    10,619.96x = 15,930.12 × 5,947.16
  4. Step 4: Simplify right side
    10,619.96x = 94,738,972.46
  5. Step 5: Solve for x
    x = 94,738,972.46/10,619.96
  6. Step 6: Final answer
    x = 8,920.84

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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.