Home / 19,402.31-29,102.06-6,920.93

Finding the Fourth Proportional to 19,402.31, 29,102.06 and 6,920.93

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Solution

The fourth proportional to 19,402.31, 29,102.06 and 6,920.93 is: 10,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.31 : 29,102.06 = 6,920.93 : x
  2. Step 2: Convert to fraction form
    19,402.31/29,102.06 = 6,920.93/x
  3. Step 3: Cross multiply
    19,402.31x = 29,102.06 × 6,920.93
  4. Step 4: Simplify right side
    19,402.31x = 201,413,140.00
  5. Step 5: Solve for x
    x = 201,413,140.00/19,402.31
  6. Step 6: Final answer
    x = 10,380.89

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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.