Home / 12,848.25-19,242.12-10,781.55

Finding the Fourth Proportional to 12,848.25, 19,242.12 and 10,781.55

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Solution

The fourth proportional to 12,848.25, 19,242.12 and 10,781.55 is: 16,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.25 : 19,242.12 = 10,781.55 : x
  2. Step 2: Convert to fraction form
    12,848.25/19,242.12 = 10,781.55/x
  3. Step 3: Cross multiply
    12,848.25x = 19,242.12 × 10,781.55
  4. Step 4: Simplify right side
    12,848.25x = 207,459,878.89
  5. Step 5: Solve for x
    x = 207,459,878.89/12,848.25
  6. Step 6: Final answer
    x = 16,146.94

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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.