Home / 11,309.60-17,000.85-8,045.30

Finding the Fourth Proportional to 11,309.60, 17,000.85 and 8,045.30

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Solution

The fourth proportional to 11,309.60, 17,000.85 and 8,045.30 is: 12,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.60 : 17,000.85 = 8,045.30 : x
  2. Step 2: Convert to fraction form
    11,309.60/17,000.85 = 8,045.30/x
  3. Step 3: Cross multiply
    11,309.60x = 17,000.85 × 8,045.30
  4. Step 4: Simplify right side
    11,309.60x = 136,776,938.51
  5. Step 5: Solve for x
    x = 136,776,938.51/11,309.60
  6. Step 6: Final answer
    x = 12,093.88

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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.