Home / 10,817.29-14,928.13-6,101.88

Finding the Fourth Proportional to 10,817.29, 14,928.13 and 6,101.88

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Solution

The fourth proportional to 10,817.29, 14,928.13 and 6,101.88 is: 8,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.29 : 14,928.13 = 6,101.88 : x
  2. Step 2: Convert to fraction form
    10,817.29/14,928.13 = 6,101.88/x
  3. Step 3: Cross multiply
    10,817.29x = 14,928.13 × 6,101.88
  4. Step 4: Simplify right side
    10,817.29x = 91,089,657.88
  5. Step 5: Solve for x
    x = 91,089,657.88/10,817.29
  6. Step 6: Final answer
    x = 8,420.75

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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.