Home / 11,213.63-15,474.66-6,498.35

Finding the Fourth Proportional to 11,213.63, 15,474.66 and 6,498.35

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Solution

The fourth proportional to 11,213.63, 15,474.66 and 6,498.35 is: 8,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.63 : 15,474.66 = 6,498.35 : x
  2. Step 2: Convert to fraction form
    11,213.63/15,474.66 = 6,498.35/x
  3. Step 3: Cross multiply
    11,213.63x = 15,474.66 × 6,498.35
  4. Step 4: Simplify right side
    11,213.63x = 100,559,756.81
  5. Step 5: Solve for x
    x = 100,559,756.81/11,213.63
  6. Step 6: Final answer
    x = 8,967.64

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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.