Home / 11,439.06-17,158.77-4,513.50

Finding the Fourth Proportional to 11,439.06, 17,158.77 and 4,513.50

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Solution

The fourth proportional to 11,439.06, 17,158.77 and 4,513.50 is: 6,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.06 : 17,158.77 = 4,513.50 : x
  2. Step 2: Convert to fraction form
    11,439.06/17,158.77 = 4,513.50/x
  3. Step 3: Cross multiply
    11,439.06x = 17,158.77 × 4,513.50
  4. Step 4: Simplify right side
    11,439.06x = 77,446,108.40
  5. Step 5: Solve for x
    x = 77,446,108.40/11,439.06
  6. Step 6: Final answer
    x = 6,770.32

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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.