Home / 10,891.57-16,330.33-4,655.65

Finding the Fourth Proportional to 10,891.57, 16,330.33 and 4,655.65

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Solution

The fourth proportional to 10,891.57, 16,330.33 and 4,655.65 is: 6,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.57 : 16,330.33 = 4,655.65 : x
  2. Step 2: Convert to fraction form
    10,891.57/16,330.33 = 4,655.65/x
  3. Step 3: Cross multiply
    10,891.57x = 16,330.33 × 4,655.65
  4. Step 4: Simplify right side
    10,891.57x = 76,028,300.86
  5. Step 5: Solve for x
    x = 76,028,300.86/10,891.57
  6. Step 6: Final answer
    x = 6,980.47

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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.