Home / 13,639.08-18,823.14-10,293.24

Finding the Fourth Proportional to 13,639.08, 18,823.14 and 10,293.24

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Solution

The fourth proportional to 13,639.08, 18,823.14 and 10,293.24 is: 14,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639.08 : 18,823.14 = 10,293.24 : x
  2. Step 2: Convert to fraction form
    13,639.08/18,823.14 = 10,293.24/x
  3. Step 3: Cross multiply
    13,639.08x = 18,823.14 × 10,293.24
  4. Step 4: Simplify right side
    13,639.08x = 193,751,097.57
  5. Step 5: Solve for x
    x = 193,751,097.57/13,639.08
  6. Step 6: Final answer
    x = 14,205.58

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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.