Home / 19,848.51-29,750.09-8,147.25

Finding the Fourth Proportional to 19,848.51, 29,750.09 and 8,147.25

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Solution

The fourth proportional to 19,848.51, 29,750.09 and 8,147.25 is: 12,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.51 : 29,750.09 = 8,147.25 : x
  2. Step 2: Convert to fraction form
    19,848.51/29,750.09 = 8,147.25/x
  3. Step 3: Cross multiply
    19,848.51x = 29,750.09 × 8,147.25
  4. Step 4: Simplify right side
    19,848.51x = 242,381,380.02
  5. Step 5: Solve for x
    x = 242,381,380.02/19,848.51
  6. Step 6: Final answer
    x = 12,211.57

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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.