Home / 12,434.76-18,652.20-4,643.50

Finding the Fourth Proportional to 12,434.76, 18,652.20 and 4,643.50

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Solution

The fourth proportional to 12,434.76, 18,652.20 and 4,643.50 is: 6,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.76 : 18,652.20 = 4,643.50 : x
  2. Step 2: Convert to fraction form
    12,434.76/18,652.20 = 4,643.50/x
  3. Step 3: Cross multiply
    12,434.76x = 18,652.20 × 4,643.50
  4. Step 4: Simplify right side
    12,434.76x = 86,611,490.70
  5. Step 5: Solve for x
    x = 86,611,490.70/12,434.76
  6. Step 6: Final answer
    x = 6,965.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.