Home / 16,898.40-25,347.60-8,140.68

Finding the Fourth Proportional to 16,898.40, 25,347.60 and 8,140.68

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Solution

The fourth proportional to 16,898.40, 25,347.60 and 8,140.68 is: 12,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.40 : 25,347.60 = 8,140.68 : x
  2. Step 2: Convert to fraction form
    16,898.40/25,347.60 = 8,140.68/x
  3. Step 3: Cross multiply
    16,898.40x = 25,347.60 × 8,140.68
  4. Step 4: Simplify right side
    16,898.40x = 206,346,700.37
  5. Step 5: Solve for x
    x = 206,346,700.37/16,898.40
  6. Step 6: Final answer
    x = 12,211.02

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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.