Home / 10,817.32-14,928.78-6,102.58

Finding the Fourth Proportional to 10,817.32, 14,928.78 and 6,102.58

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Solution

The fourth proportional to 10,817.32, 14,928.78 and 6,102.58 is: 8,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.32 : 14,928.78 = 6,102.58 : x
  2. Step 2: Convert to fraction form
    10,817.32/14,928.78 = 6,102.58/x
  3. Step 3: Cross multiply
    10,817.32x = 14,928.78 × 6,102.58
  4. Step 4: Simplify right side
    10,817.32x = 91,104,074.25
  5. Step 5: Solve for x
    x = 91,104,074.25/10,817.32
  6. Step 6: Final answer
    x = 8,422.06

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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.