Home / 19,941.60-29,926.80-8,263.20

Finding the Fourth Proportional to 19,941.60, 29,926.80 and 8,263.20

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Solution

The fourth proportional to 19,941.60, 29,926.80 and 8,263.20 is: 12,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.60 : 29,926.80 = 8,263.20 : x
  2. Step 2: Convert to fraction form
    19,941.60/29,926.80 = 8,263.20/x
  3. Step 3: Cross multiply
    19,941.60x = 29,926.80 × 8,263.20
  4. Step 4: Simplify right side
    19,941.60x = 247,291,133.76
  5. Step 5: Solve for x
    x = 247,291,133.76/19,941.60
  6. Step 6: Final answer
    x = 12,400.77

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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.