Home / 13,730.00-18,946.35-9,259.80

Finding the Fourth Proportional to 13,730.00, 18,946.35 and 9,259.80

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Solution

The fourth proportional to 13,730.00, 18,946.35 and 9,259.80 is: 12,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.00 : 18,946.35 = 9,259.80 : x
  2. Step 2: Convert to fraction form
    13,730.00/18,946.35 = 9,259.80/x
  3. Step 3: Cross multiply
    13,730.00x = 18,946.35 × 9,259.80
  4. Step 4: Simplify right side
    13,730.00x = 175,439,411.73
  5. Step 5: Solve for x
    x = 175,439,411.73/13,730.00
  6. Step 6: Final answer
    x = 12,777.82

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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.