Home / 9,845.28-14,780.88-6,715.44

Finding the Fourth Proportional to 9,845.28, 14,780.88 and 6,715.44

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Solution

The fourth proportional to 9,845.28, 14,780.88 and 6,715.44 is: 10,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.28 : 14,780.88 = 6,715.44 : x
  2. Step 2: Convert to fraction form
    9,845.28/14,780.88 = 6,715.44/x
  3. Step 3: Cross multiply
    9,845.28x = 14,780.88 × 6,715.44
  4. Step 4: Simplify right side
    9,845.28x = 99,260,112.79
  5. Step 5: Solve for x
    x = 99,260,112.79/9,845.28
  6. Step 6: Final answer
    x = 10,082.00

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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.