Home / 11,110.20-15,332.64-6,330.24

Finding the Fourth Proportional to 11,110.20, 15,332.64 and 6,330.24

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Solution

The fourth proportional to 11,110.20, 15,332.64 and 6,330.24 is: 8,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.20 : 15,332.64 = 6,330.24 : x
  2. Step 2: Convert to fraction form
    11,110.20/15,332.64 = 6,330.24/x
  3. Step 3: Cross multiply
    11,110.20x = 15,332.64 × 6,330.24
  4. Step 4: Simplify right side
    11,110.20x = 97,059,291.03
  5. Step 5: Solve for x
    x = 97,059,291.03/11,110.20
  6. Step 6: Final answer
    x = 8,736.05

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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.