Home / 10,958.22-15,129.64-6,483.40

Finding the Fourth Proportional to 10,958.22, 15,129.64 and 6,483.40

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Solution

The fourth proportional to 10,958.22, 15,129.64 and 6,483.40 is: 8,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.22 : 15,129.64 = 6,483.40 : x
  2. Step 2: Convert to fraction form
    10,958.22/15,129.64 = 6,483.40/x
  3. Step 3: Cross multiply
    10,958.22x = 15,129.64 × 6,483.40
  4. Step 4: Simplify right side
    10,958.22x = 98,091,507.98
  5. Step 5: Solve for x
    x = 98,091,507.98/10,958.22
  6. Step 6: Final answer
    x = 8,951.41

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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.