Home / 9,680.84-13,363.63-6,541.28

Finding the Fourth Proportional to 9,680.84, 13,363.63 and 6,541.28

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Solution

The fourth proportional to 9,680.84, 13,363.63 and 6,541.28 is: 9,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.84 : 13,363.63 = 6,541.28 : x
  2. Step 2: Convert to fraction form
    9,680.84/13,363.63 = 6,541.28/x
  3. Step 3: Cross multiply
    9,680.84x = 13,363.63 × 6,541.28
  4. Step 4: Simplify right side
    9,680.84x = 87,415,245.65
  5. Step 5: Solve for x
    x = 87,415,245.65/9,680.84
  6. Step 6: Final answer
    x = 9,029.72

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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.