Home / 25,320.99-37,989.69-12,174.39

Finding the Fourth Proportional to 25,320.99, 37,989.69 and 12,174.39

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Solution

The fourth proportional to 25,320.99, 37,989.69 and 12,174.39 is: 18,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.99 : 37,989.69 = 12,174.39 : x
  2. Step 2: Convert to fraction form
    25,320.99/37,989.69 = 12,174.39/x
  3. Step 3: Cross multiply
    25,320.99x = 37,989.69 × 12,174.39
  4. Step 4: Simplify right side
    25,320.99x = 462,501,302.04
  5. Step 5: Solve for x
    x = 462,501,302.04/25,320.99
  6. Step 6: Final answer
    x = 18,265.53

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1.5x scale

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.