Home / 9,840.68-14,755.60-6,724.21

Finding the Fourth Proportional to 9,840.68, 14,755.60 and 6,724.21

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Solution

The fourth proportional to 9,840.68, 14,755.60 and 6,724.21 is: 10,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.68 : 14,755.60 = 6,724.21 : x
  2. Step 2: Convert to fraction form
    9,840.68/14,755.60 = 6,724.21/x
  3. Step 3: Cross multiply
    9,840.68x = 14,755.60 × 6,724.21
  4. Step 4: Simplify right side
    9,840.68x = 99,219,679.30
  5. Step 5: Solve for x
    x = 99,219,679.30/9,840.68
  6. Step 6: Final answer
    x = 10,082.60

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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.