Home / 13,606.71-20,406.19-5,284.95

Finding the Fourth Proportional to 13,606.71, 20,406.19 and 5,284.95

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Solution

The fourth proportional to 13,606.71, 20,406.19 and 5,284.95 is: 7,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.71 : 20,406.19 = 5,284.95 : x
  2. Step 2: Convert to fraction form
    13,606.71/20,406.19 = 5,284.95/x
  3. Step 3: Cross multiply
    13,606.71x = 20,406.19 × 5,284.95
  4. Step 4: Simplify right side
    13,606.71x = 107,845,591.81
  5. Step 5: Solve for x
    x = 107,845,591.81/13,606.71
  6. Step 6: Final answer
    x = 7,925.92

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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.