Home / 13,602.13-20,406.47-5,700.31

Finding the Fourth Proportional to 13,602.13, 20,406.47 and 5,700.31

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Solution

The fourth proportional to 13,602.13, 20,406.47 and 5,700.31 is: 8,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.13 : 20,406.47 = 5,700.31 : x
  2. Step 2: Convert to fraction form
    13,602.13/20,406.47 = 5,700.31/x
  3. Step 3: Cross multiply
    13,602.13x = 20,406.47 × 5,700.31
  4. Step 4: Simplify right side
    13,602.13x = 116,323,125.49
  5. Step 5: Solve for x
    x = 116,323,125.49/13,602.13
  6. Step 6: Final answer
    x = 8,551.83

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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.