Home / 11,235.76-15,501.72-6,455.14

Finding the Fourth Proportional to 11,235.76, 15,501.72 and 6,455.14

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Solution

The fourth proportional to 11,235.76, 15,501.72 and 6,455.14 is: 8,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.76 : 15,501.72 = 6,455.14 : x
  2. Step 2: Convert to fraction form
    11,235.76/15,501.72 = 6,455.14/x
  3. Step 3: Cross multiply
    11,235.76x = 15,501.72 × 6,455.14
  4. Step 4: Simplify right side
    11,235.76x = 100,065,772.84
  5. Step 5: Solve for x
    x = 100,065,772.84/11,235.76
  6. Step 6: Final answer
    x = 8,906.01

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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.