Home / 11,246.10-16,905.60-9,642.30

Finding the Fourth Proportional to 11,246.10, 16,905.60 and 9,642.30

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Solution

The fourth proportional to 11,246.10, 16,905.60 and 9,642.30 is: 14,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.10 : 16,905.60 = 9,642.30 : x
  2. Step 2: Convert to fraction form
    11,246.10/16,905.60 = 9,642.30/x
  3. Step 3: Cross multiply
    11,246.10x = 16,905.60 × 9,642.30
  4. Step 4: Simplify right side
    11,246.10x = 163,008,866.88
  5. Step 5: Solve for x
    x = 163,008,866.88/11,246.10
  6. Step 6: Final answer
    x = 14,494.70

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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.