Home / 13,541.94-20,315.45-6,146.92

Finding the Fourth Proportional to 13,541.94, 20,315.45 and 6,146.92

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Solution

The fourth proportional to 13,541.94, 20,315.45 and 6,146.92 is: 9,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.94 : 20,315.45 = 6,146.92 : x
  2. Step 2: Convert to fraction form
    13,541.94/20,315.45 = 6,146.92/x
  3. Step 3: Cross multiply
    13,541.94x = 20,315.45 × 6,146.92
  4. Step 4: Simplify right side
    13,541.94x = 124,877,429.54
  5. Step 5: Solve for x
    x = 124,877,429.54/13,541.94
  6. Step 6: Final answer
    x = 9,221.53

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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.