Home / 15,986.04-23,981.10-8,580.34

Finding the Fourth Proportional to 15,986.04, 23,981.10 and 8,580.34

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Solution

The fourth proportional to 15,986.04, 23,981.10 and 8,580.34 is: 12,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.04 : 23,981.10 = 8,580.34 : x
  2. Step 2: Convert to fraction form
    15,986.04/23,981.10 = 8,580.34/x
  3. Step 3: Cross multiply
    15,986.04x = 23,981.10 × 8,580.34
  4. Step 4: Simplify right side
    15,986.04x = 205,765,991.57
  5. Step 5: Solve for x
    x = 205,765,991.57/15,986.04
  6. Step 6: Final answer
    x = 12,871.60

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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.