Home / 11,116.42-15,343.77-6,402.58

Finding the Fourth Proportional to 11,116.42, 15,343.77 and 6,402.58

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Solution

The fourth proportional to 11,116.42, 15,343.77 and 6,402.58 is: 8,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.42 : 15,343.77 = 6,402.58 : x
  2. Step 2: Convert to fraction form
    11,116.42/15,343.77 = 6,402.58/x
  3. Step 3: Cross multiply
    11,116.42x = 15,343.77 × 6,402.58
  4. Step 4: Simplify right side
    11,116.42x = 98,239,714.93
  5. Step 5: Solve for x
    x = 98,239,714.93/11,116.42
  6. Step 6: Final answer
    x = 8,837.35

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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.