Home / 16,898.60-25,319.10-14,421.80

Finding the Fourth Proportional to 16,898.60, 25,319.10 and 14,421.80

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Solution

The fourth proportional to 16,898.60, 25,319.10 and 14,421.80 is: 21,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.60 : 25,319.10 = 14,421.80 : x
  2. Step 2: Convert to fraction form
    16,898.60/25,319.10 = 14,421.80/x
  3. Step 3: Cross multiply
    16,898.60x = 25,319.10 × 14,421.80
  4. Step 4: Simplify right side
    16,898.60x = 365,146,996.38
  5. Step 5: Solve for x
    x = 365,146,996.38/16,898.60
  6. Step 6: Final answer
    x = 21,608.12

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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.