Home / 11,312.10-17,004.60-8,047.80

Finding the Fourth Proportional to 11,312.10, 17,004.60 and 8,047.80

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Solution

The fourth proportional to 11,312.10, 17,004.60 and 8,047.80 is: 12,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.10 : 17,004.60 = 8,047.80 : x
  2. Step 2: Convert to fraction form
    11,312.10/17,004.60 = 8,047.80/x
  3. Step 3: Cross multiply
    11,312.10x = 17,004.60 × 8,047.80
  4. Step 4: Simplify right side
    11,312.10x = 136,849,619.88
  5. Step 5: Solve for x
    x = 136,849,619.88/11,312.10
  6. Step 6: Final answer
    x = 12,097.63

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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.