Home / 11,079.63-15,290.03-6,364.35

Finding the Fourth Proportional to 11,079.63, 15,290.03 and 6,364.35

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Solution

The fourth proportional to 11,079.63, 15,290.03 and 6,364.35 is: 8,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.63 : 15,290.03 = 6,364.35 : x
  2. Step 2: Convert to fraction form
    11,079.63/15,290.03 = 6,364.35/x
  3. Step 3: Cross multiply
    11,079.63x = 15,290.03 × 6,364.35
  4. Step 4: Simplify right side
    11,079.63x = 97,311,102.43
  5. Step 5: Solve for x
    x = 97,311,102.43/11,079.63
  6. Step 6: Final answer
    x = 8,782.88

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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.