Home / 11,098.74-15,319.35-6,384.54

Finding the Fourth Proportional to 11,098.74, 15,319.35 and 6,384.54

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Solution

The fourth proportional to 11,098.74, 15,319.35 and 6,384.54 is: 8,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.74 : 15,319.35 = 6,384.54 : x
  2. Step 2: Convert to fraction form
    11,098.74/15,319.35 = 6,384.54/x
  3. Step 3: Cross multiply
    11,098.74x = 15,319.35 × 6,384.54
  4. Step 4: Simplify right side
    11,098.74x = 97,807,002.85
  5. Step 5: Solve for x
    x = 97,807,002.85/11,098.74
  6. Step 6: Final answer
    x = 8,812.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.