Home / 14,918.29-20,585.64-8,629.49

Finding the Fourth Proportional to 14,918.29, 20,585.64 and 8,629.49

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Solution

The fourth proportional to 14,918.29, 20,585.64 and 8,629.49 is: 11,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.29 : 20,585.64 = 8,629.49 : x
  2. Step 2: Convert to fraction form
    14,918.29/20,585.64 = 8,629.49/x
  3. Step 3: Cross multiply
    14,918.29x = 20,585.64 × 8,629.49
  4. Step 4: Simplify right side
    14,918.29x = 177,643,574.52
  5. Step 5: Solve for x
    x = 177,643,574.52/14,918.29
  6. Step 6: Final answer
    x = 11,907.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.