Home / 11,325.61-16,980.67-5,768.20

Finding the Fourth Proportional to 11,325.61, 16,980.67 and 5,768.20

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Solution

The fourth proportional to 11,325.61, 16,980.67 and 5,768.20 is: 8,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.61 : 16,980.67 = 5,768.20 : x
  2. Step 2: Convert to fraction form
    11,325.61/16,980.67 = 5,768.20/x
  3. Step 3: Cross multiply
    11,325.61x = 16,980.67 × 5,768.20
  4. Step 4: Simplify right side
    11,325.61x = 97,947,871.85
  5. Step 5: Solve for x
    x = 97,947,871.85/11,325.61
  6. Step 6: Final answer
    x = 8,648.35

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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.