Home / 9,639.07-14,457.39-3,398.83

Finding the Fourth Proportional to 9,639.07, 14,457.39 and 3,398.83

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Solution

The fourth proportional to 9,639.07, 14,457.39 and 3,398.83 is: 5,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.07 : 14,457.39 = 3,398.83 : x
  2. Step 2: Convert to fraction form
    9,639.07/14,457.39 = 3,398.83/x
  3. Step 3: Cross multiply
    9,639.07x = 14,457.39 × 3,398.83
  4. Step 4: Simplify right side
    9,639.07x = 49,138,210.85
  5. Step 5: Solve for x
    x = 49,138,210.85/9,639.07
  6. Step 6: Final answer
    x = 5,097.82

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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.