Home / 14,673.28-20,248.71-8,385.64

Finding the Fourth Proportional to 14,673.28, 20,248.71 and 8,385.64

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Solution

The fourth proportional to 14,673.28, 20,248.71 and 8,385.64 is: 11,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.28 : 20,248.71 = 8,385.64 : x
  2. Step 2: Convert to fraction form
    14,673.28/20,248.71 = 8,385.64/x
  3. Step 3: Cross multiply
    14,673.28x = 20,248.71 × 8,385.64
  4. Step 4: Simplify right side
    14,673.28x = 169,798,392.52
  5. Step 5: Solve for x
    x = 169,798,392.52/14,673.28
  6. Step 6: Final answer
    x = 11,571.95

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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.