Home / 10,705.06-14,770.56-6,724.72

Finding the Fourth Proportional to 10,705.06, 14,770.56 and 6,724.72

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Solution

The fourth proportional to 10,705.06, 14,770.56 and 6,724.72 is: 9,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.06 : 14,770.56 = 6,724.72 : x
  2. Step 2: Convert to fraction form
    10,705.06/14,770.56 = 6,724.72/x
  3. Step 3: Cross multiply
    10,705.06x = 14,770.56 × 6,724.72
  4. Step 4: Simplify right side
    10,705.06x = 99,327,880.24
  5. Step 5: Solve for x
    x = 99,327,880.24/10,705.06
  6. Step 6: Final answer
    x = 9,278.59

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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.