Home / 9,780.43-14,670.23-4,513.69

Finding the Fourth Proportional to 9,780.43, 14,670.23 and 4,513.69

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Solution

The fourth proportional to 9,780.43, 14,670.23 and 4,513.69 is: 6,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.43 : 14,670.23 = 4,513.69 : x
  2. Step 2: Convert to fraction form
    9,780.43/14,670.23 = 4,513.69/x
  3. Step 3: Cross multiply
    9,780.43x = 14,670.23 × 4,513.69
  4. Step 4: Simplify right side
    9,780.43x = 66,216,850.70
  5. Step 5: Solve for x
    x = 66,216,850.70/9,780.43
  6. Step 6: Final answer
    x = 6,770.34

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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.