Home / 10,644.26-14,688.69-5,928.98

Finding the Fourth Proportional to 10,644.26, 14,688.69 and 5,928.98

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Solution

The fourth proportional to 10,644.26, 14,688.69 and 5,928.98 is: 8,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.26 : 14,688.69 = 5,928.98 : x
  2. Step 2: Convert to fraction form
    10,644.26/14,688.69 = 5,928.98/x
  3. Step 3: Cross multiply
    10,644.26x = 14,688.69 × 5,928.98
  4. Step 4: Simplify right side
    10,644.26x = 87,088,949.24
  5. Step 5: Solve for x
    x = 87,088,949.24/10,644.26
  6. Step 6: Final answer
    x = 8,181.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.