Home / 11,207.10-16,810.65-8,298.30

Finding the Fourth Proportional to 11,207.10, 16,810.65 and 8,298.30

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Solution

The fourth proportional to 11,207.10, 16,810.65 and 8,298.30 is: 12,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.10 : 16,810.65 = 8,298.30 : x
  2. Step 2: Convert to fraction form
    11,207.10/16,810.65 = 8,298.30/x
  3. Step 3: Cross multiply
    11,207.10x = 16,810.65 × 8,298.30
  4. Step 4: Simplify right side
    11,207.10x = 139,499,816.90
  5. Step 5: Solve for x
    x = 139,499,816.90/11,207.10
  6. Step 6: Final answer
    x = 12,447.45

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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.