Home / 14,423.20-19,898.48-8,758.88

Finding the Fourth Proportional to 14,423.20, 19,898.48 and 8,758.88

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Solution

The fourth proportional to 14,423.20, 19,898.48 and 8,758.88 is: 12,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.20 : 19,898.48 = 8,758.88 : x
  2. Step 2: Convert to fraction form
    14,423.20/19,898.48 = 8,758.88/x
  3. Step 3: Cross multiply
    14,423.20x = 19,898.48 × 8,758.88
  4. Step 4: Simplify right side
    14,423.20x = 174,288,398.50
  5. Step 5: Solve for x
    x = 174,288,398.50/14,423.20
  6. Step 6: Final answer
    x = 12,083.89

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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.