Home / 19,402.56-29,102.44-6,921.18

Finding the Fourth Proportional to 19,402.56, 29,102.44 and 6,921.18

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Solution

The fourth proportional to 19,402.56, 29,102.44 and 6,921.18 is: 10,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.56 : 29,102.44 = 6,921.18 : x
  2. Step 2: Convert to fraction form
    19,402.56/29,102.44 = 6,921.18/x
  3. Step 3: Cross multiply
    19,402.56x = 29,102.44 × 6,921.18
  4. Step 4: Simplify right side
    19,402.56x = 201,423,225.68
  5. Step 5: Solve for x
    x = 201,423,225.68/19,402.56
  6. Step 6: Final answer
    x = 10,381.27

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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.