Home / 13,752.69-20,628.86-4,392.59

Finding the Fourth Proportional to 13,752.69, 20,628.86 and 4,392.59

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Solution

The fourth proportional to 13,752.69, 20,628.86 and 4,392.59 is: 6,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.69 : 20,628.86 = 4,392.59 : x
  2. Step 2: Convert to fraction form
    13,752.69/20,628.86 = 4,392.59/x
  3. Step 3: Cross multiply
    13,752.69x = 20,628.86 × 4,392.59
  4. Step 4: Simplify right side
    13,752.69x = 90,614,102.18
  5. Step 5: Solve for x
    x = 90,614,102.18/13,752.69
  6. Step 6: Final answer
    x = 6,588.83

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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.