Home / 9,639.09-14,448.79-5,470.29

Finding the Fourth Proportional to 9,639.09, 14,448.79 and 5,470.29

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Solution

The fourth proportional to 9,639.09, 14,448.79 and 5,470.29 is: 8,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.09 : 14,448.79 = 5,470.29 : x
  2. Step 2: Convert to fraction form
    9,639.09/14,448.79 = 5,470.29/x
  3. Step 3: Cross multiply
    9,639.09x = 14,448.79 × 5,470.29
  4. Step 4: Simplify right side
    9,639.09x = 79,039,057.77
  5. Step 5: Solve for x
    x = 79,039,057.77/9,639.09
  6. Step 6: Final answer
    x = 8,199.85

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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.