Home / 14,122.37-19,486.95-8,455.82

Finding the Fourth Proportional to 14,122.37, 19,486.95 and 8,455.82

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Solution

The fourth proportional to 14,122.37, 19,486.95 and 8,455.82 is: 11,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.37 : 19,486.95 = 8,455.82 : x
  2. Step 2: Convert to fraction form
    14,122.37/19,486.95 = 8,455.82/x
  3. Step 3: Cross multiply
    14,122.37x = 19,486.95 × 8,455.82
  4. Step 4: Simplify right side
    14,122.37x = 164,778,141.55
  5. Step 5: Solve for x
    x = 164,778,141.55/14,122.37
  6. Step 6: Final answer
    x = 11,667.88

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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.