Home / 20,534.94-28,337.64-11,582.36

Finding the Fourth Proportional to 20,534.94, 28,337.64 and 11,582.36

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Solution

The fourth proportional to 20,534.94, 28,337.64 and 11,582.36 is: 15,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.94 : 28,337.64 = 11,582.36 : x
  2. Step 2: Convert to fraction form
    20,534.94/28,337.64 = 11,582.36/x
  3. Step 3: Cross multiply
    20,534.94x = 28,337.64 × 11,582.36
  4. Step 4: Simplify right side
    20,534.94x = 328,216,748.03
  5. Step 5: Solve for x
    x = 328,216,748.03/20,534.94
  6. Step 6: Final answer
    x = 15,983.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.