Home / 12,237.84-18,355.18-3,917.16

Finding the Fourth Proportional to 12,237.84, 18,355.18 and 3,917.16

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Solution

The fourth proportional to 12,237.84, 18,355.18 and 3,917.16 is: 5,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.84 : 18,355.18 = 3,917.16 : x
  2. Step 2: Convert to fraction form
    12,237.84/18,355.18 = 3,917.16/x
  3. Step 3: Cross multiply
    12,237.84x = 18,355.18 × 3,917.16
  4. Step 4: Simplify right side
    12,237.84x = 71,900,176.89
  5. Step 5: Solve for x
    x = 71,900,176.89/12,237.84
  6. Step 6: Final answer
    x = 5,875.23

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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.