Home / 10,676.20-16,014.30-9,585.40

Finding the Fourth Proportional to 10,676.20, 16,014.30 and 9,585.40

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Solution

The fourth proportional to 10,676.20, 16,014.30 and 9,585.40 is: 14,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676.20 : 16,014.30 = 9,585.40 : x
  2. Step 2: Convert to fraction form
    10,676.20/16,014.30 = 9,585.40/x
  3. Step 3: Cross multiply
    10,676.20x = 16,014.30 × 9,585.40
  4. Step 4: Simplify right side
    10,676.20x = 153,503,471.22
  5. Step 5: Solve for x
    x = 153,503,471.22/10,676.20
  6. Step 6: Final answer
    x = 14,378.10

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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.