Home / 13,725.71-20,588.34-4,365.59

Finding the Fourth Proportional to 13,725.71, 20,588.34 and 4,365.59

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Solution

The fourth proportional to 13,725.71, 20,588.34 and 4,365.59 is: 6,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.71 : 20,588.34 = 4,365.59 : x
  2. Step 2: Convert to fraction form
    13,725.71/20,588.34 = 4,365.59/x
  3. Step 3: Cross multiply
    13,725.71x = 20,588.34 × 4,365.59
  4. Step 4: Simplify right side
    13,725.71x = 89,880,280.46
  5. Step 5: Solve for x
    x = 89,880,280.46/13,725.71
  6. Step 6: Final answer
    x = 6,548.32

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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.