Home / 13,544.64-20,309.51-4,182.08

Finding the Fourth Proportional to 13,544.64, 20,309.51 and 4,182.08

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Solution

The fourth proportional to 13,544.64, 20,309.51 and 4,182.08 is: 6,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.64 : 20,309.51 = 4,182.08 : x
  2. Step 2: Convert to fraction form
    13,544.64/20,309.51 = 4,182.08/x
  3. Step 3: Cross multiply
    13,544.64x = 20,309.51 × 4,182.08
  4. Step 4: Simplify right side
    13,544.64x = 84,935,904.49
  5. Step 5: Solve for x
    x = 84,935,904.49/13,544.64
  6. Step 6: Final answer
    x = 6,270.81

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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.