Home / 13,909.32-20,864.02-4,048.84

Finding the Fourth Proportional to 13,909.32, 20,864.02 and 4,048.84

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Solution

The fourth proportional to 13,909.32, 20,864.02 and 4,048.84 is: 6,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.32 : 20,864.02 = 4,048.84 : x
  2. Step 2: Convert to fraction form
    13,909.32/20,864.02 = 4,048.84/x
  3. Step 3: Cross multiply
    13,909.32x = 20,864.02 × 4,048.84
  4. Step 4: Simplify right side
    13,909.32x = 84,475,078.74
  5. Step 5: Solve for x
    x = 84,475,078.74/13,909.32
  6. Step 6: Final answer
    x = 6,073.27

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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.