Home / 19,402.68-29,102.66-6,921.29

Finding the Fourth Proportional to 19,402.68, 29,102.66 and 6,921.29

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Solution

The fourth proportional to 19,402.68, 29,102.66 and 6,921.29 is: 10,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.68 : 29,102.66 = 6,921.29 : x
  2. Step 2: Convert to fraction form
    19,402.68/29,102.66 = 6,921.29/x
  3. Step 3: Cross multiply
    19,402.68x = 29,102.66 × 6,921.29
  4. Step 4: Simplify right side
    19,402.68x = 201,427,987.78
  5. Step 5: Solve for x
    x = 201,427,987.78/19,402.68
  6. Step 6: Final answer
    x = 10,381.45

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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.