Home / 10,887.36-15,023.38-6,410.85

Finding the Fourth Proportional to 10,887.36, 15,023.38 and 6,410.85

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Solution

The fourth proportional to 10,887.36, 15,023.38 and 6,410.85 is: 8,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.36 : 15,023.38 = 6,410.85 : x
  2. Step 2: Convert to fraction form
    10,887.36/15,023.38 = 6,410.85/x
  3. Step 3: Cross multiply
    10,887.36x = 15,023.38 × 6,410.85
  4. Step 4: Simplify right side
    10,887.36x = 96,312,635.67
  5. Step 5: Solve for x
    x = 96,312,635.67/10,887.36
  6. Step 6: Final answer
    x = 8,846.28

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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.