Home / 13,727.39-18,931.56-10,703.25

Finding the Fourth Proportional to 13,727.39, 18,931.56 and 10,703.25

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Solution

The fourth proportional to 13,727.39, 18,931.56 and 10,703.25 is: 14,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.39 : 18,931.56 = 10,703.25 : x
  2. Step 2: Convert to fraction form
    13,727.39/18,931.56 = 10,703.25/x
  3. Step 3: Cross multiply
    13,727.39x = 18,931.56 × 10,703.25
  4. Step 4: Simplify right side
    13,727.39x = 202,629,219.57
  5. Step 5: Solve for x
    x = 202,629,219.57/13,727.39
  6. Step 6: Final answer
    x = 14,760.95

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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.