Home / 12,444.84-18,740.16-9,180.54

Finding the Fourth Proportional to 12,444.84, 18,740.16 and 9,180.54

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Solution

The fourth proportional to 12,444.84, 18,740.16 and 9,180.54 is: 13,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.84 : 18,740.16 = 9,180.54 : x
  2. Step 2: Convert to fraction form
    12,444.84/18,740.16 = 9,180.54/x
  3. Step 3: Cross multiply
    12,444.84x = 18,740.16 × 9,180.54
  4. Step 4: Simplify right side
    12,444.84x = 172,044,788.49
  5. Step 5: Solve for x
    x = 172,044,788.49/12,444.84
  6. Step 6: Final answer
    x = 13,824.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.