Home / 11,148.34-16,707.84-6,220.30

Finding the Fourth Proportional to 11,148.34, 16,707.84 and 6,220.30

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Solution

The fourth proportional to 11,148.34, 16,707.84 and 6,220.30 is: 9,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.34 : 16,707.84 = 6,220.30 : x
  2. Step 2: Convert to fraction form
    11,148.34/16,707.84 = 6,220.30/x
  3. Step 3: Cross multiply
    11,148.34x = 16,707.84 × 6,220.30
  4. Step 4: Simplify right side
    11,148.34x = 103,927,777.15
  5. Step 5: Solve for x
    x = 103,927,777.15/11,148.34
  6. Step 6: Final answer
    x = 9,322.26

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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.