Home / 13,708.05-20,564.04-4,221.17

Finding the Fourth Proportional to 13,708.05, 20,564.04 and 4,221.17

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Solution

The fourth proportional to 13,708.05, 20,564.04 and 4,221.17 is: 6,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.05 : 20,564.04 = 4,221.17 : x
  2. Step 2: Convert to fraction form
    13,708.05/20,564.04 = 4,221.17/x
  3. Step 3: Cross multiply
    13,708.05x = 20,564.04 × 4,221.17
  4. Step 4: Simplify right side
    13,708.05x = 86,804,354.86
  5. Step 5: Solve for x
    x = 86,804,354.86/13,708.05
  6. Step 6: Final answer
    x = 6,332.36

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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.