Home / 19,331.42-29,000.77-6,180.26

Finding the Fourth Proportional to 19,331.42, 29,000.77 and 6,180.26

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Solution

The fourth proportional to 19,331.42, 29,000.77 and 6,180.26 is: 9,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.42 : 29,000.77 = 6,180.26 : x
  2. Step 2: Convert to fraction form
    19,331.42/29,000.77 = 6,180.26/x
  3. Step 3: Cross multiply
    19,331.42x = 29,000.77 × 6,180.26
  4. Step 4: Simplify right side
    19,331.42x = 179,232,138.35
  5. Step 5: Solve for x
    x = 179,232,138.35/19,331.42
  6. Step 6: Final answer
    x = 9,271.55

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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.