Home / 10,451.36-14,410.56-8,455.76

Finding the Fourth Proportional to 10,451.36, 14,410.56 and 8,455.76

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Solution

The fourth proportional to 10,451.36, 14,410.56 and 8,455.76 is: 11,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.36 : 14,410.56 = 8,455.76 : x
  2. Step 2: Convert to fraction form
    10,451.36/14,410.56 = 8,455.76/x
  3. Step 3: Cross multiply
    10,451.36x = 14,410.56 × 8,455.76
  4. Step 4: Simplify right side
    10,451.36x = 121,852,236.83
  5. Step 5: Solve for x
    x = 121,852,236.83/10,451.36
  6. Step 6: Final answer
    x = 11,658.98

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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.