Home / 12,404.23-18,607.07-3,518.87

Finding the Fourth Proportional to 12,404.23, 18,607.07 and 3,518.87

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Solution

The fourth proportional to 12,404.23, 18,607.07 and 3,518.87 is: 5,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.23 : 18,607.07 = 3,518.87 : x
  2. Step 2: Convert to fraction form
    12,404.23/18,607.07 = 3,518.87/x
  3. Step 3: Cross multiply
    12,404.23x = 18,607.07 × 3,518.87
  4. Step 4: Simplify right side
    12,404.23x = 65,475,776.17
  5. Step 5: Solve for x
    x = 65,475,776.17/12,404.23
  6. Step 6: Final answer
    x = 5,278.50

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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.