Home / 18,735.76-25,855.04-10,237.60

Finding the Fourth Proportional to 18,735.76, 25,855.04 and 10,237.60

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Solution

The fourth proportional to 18,735.76, 25,855.04 and 10,237.60 is: 14,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.76 : 25,855.04 = 10,237.60 : x
  2. Step 2: Convert to fraction form
    18,735.76/25,855.04 = 10,237.60/x
  3. Step 3: Cross multiply
    18,735.76x = 25,855.04 × 10,237.60
  4. Step 4: Simplify right side
    18,735.76x = 264,693,557.50
  5. Step 5: Solve for x
    x = 264,693,557.50/18,735.76
  6. Step 6: Final answer
    x = 14,127.72

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1.5x scale

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.