Home / 19,365.81-29,060.98-8,272.55

Finding the Fourth Proportional to 19,365.81, 29,060.98 and 8,272.55

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Solution

The fourth proportional to 19,365.81, 29,060.98 and 8,272.55 is: 12,414.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.81 : 29,060.98 = 8,272.55 : x
  2. Step 2: Convert to fraction form
    19,365.81/29,060.98 = 8,272.55/x
  3. Step 3: Cross multiply
    19,365.81x = 29,060.98 × 8,272.55
  4. Step 4: Simplify right side
    19,365.81x = 240,408,410.10
  5. Step 5: Solve for x
    x = 240,408,410.10/19,365.81
  6. Step 6: Final answer
    x = 12,414.06

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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.