Home / 9,808.30-14,688.15-7,329.70

Finding the Fourth Proportional to 9,808.30, 14,688.15 and 7,329.70

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Solution

The fourth proportional to 9,808.30, 14,688.15 and 7,329.70 is: 10,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.30 : 14,688.15 = 7,329.70 : x
  2. Step 2: Convert to fraction form
    9,808.30/14,688.15 = 7,329.70/x
  3. Step 3: Cross multiply
    9,808.30x = 14,688.15 × 7,329.70
  4. Step 4: Simplify right side
    9,808.30x = 107,659,733.06
  5. Step 5: Solve for x
    x = 107,659,733.06/9,808.30
  6. Step 6: Final answer
    x = 10,976.39

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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.