Home / 11,306.20-16,970.10-9,664.60

Finding the Fourth Proportional to 11,306.20, 16,970.10 and 9,664.60

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Solution

The fourth proportional to 11,306.20, 16,970.10 and 9,664.60 is: 14,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.20 : 16,970.10 = 9,664.60 : x
  2. Step 2: Convert to fraction form
    11,306.20/16,970.10 = 9,664.60/x
  3. Step 3: Cross multiply
    11,306.20x = 16,970.10 × 9,664.60
  4. Step 4: Simplify right side
    11,306.20x = 164,009,228.46
  5. Step 5: Solve for x
    x = 164,009,228.46/11,306.20
  6. Step 6: Final answer
    x = 14,506.13

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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.