Home / 11,420.98-17,131.95-5,582.50

Finding the Fourth Proportional to 11,420.98, 17,131.95 and 5,582.50

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Solution

The fourth proportional to 11,420.98, 17,131.95 and 5,582.50 is: 8,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.98 : 17,131.95 = 5,582.50 : x
  2. Step 2: Convert to fraction form
    11,420.98/17,131.95 = 5,582.50/x
  3. Step 3: Cross multiply
    11,420.98x = 17,131.95 × 5,582.50
  4. Step 4: Simplify right side
    11,420.98x = 95,639,110.88
  5. Step 5: Solve for x
    x = 95,639,110.88/11,420.98
  6. Step 6: Final answer
    x = 8,373.98

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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.