Home / 14,569.70-20,098.95-12,579.80

Finding the Fourth Proportional to 14,569.70, 20,098.95 and 12,579.80

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Solution

The fourth proportional to 14,569.70, 20,098.95 and 12,579.80 is: 17,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.70 : 20,098.95 = 12,579.80 : x
  2. Step 2: Convert to fraction form
    14,569.70/20,098.95 = 12,579.80/x
  3. Step 3: Cross multiply
    14,569.70x = 20,098.95 × 12,579.80
  4. Step 4: Simplify right side
    14,569.70x = 252,840,771.21
  5. Step 5: Solve for x
    x = 252,840,771.21/14,569.70
  6. Step 6: Final answer
    x = 17,353.88

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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.