Home / 9,782.20-14,687.70-6,873.40

Finding the Fourth Proportional to 9,782.20, 14,687.70 and 6,873.40

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Solution

The fourth proportional to 9,782.20, 14,687.70 and 6,873.40 is: 10,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,782.20 : 14,687.70 = 6,873.40 : x
  2. Step 2: Convert to fraction form
    9,782.20/14,687.70 = 6,873.40/x
  3. Step 3: Cross multiply
    9,782.20x = 14,687.70 × 6,873.40
  4. Step 4: Simplify right side
    9,782.20x = 100,954,437.18
  5. Step 5: Solve for x
    x = 100,954,437.18/9,782.20
  6. Step 6: Final answer
    x = 10,320.22

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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.