Home / 19,608.56-29,412.84-7,126.26

Finding the Fourth Proportional to 19,608.56, 29,412.84 and 7,126.26

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Solution

The fourth proportional to 19,608.56, 29,412.84 and 7,126.26 is: 10,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.56 : 29,412.84 = 7,126.26 : x
  2. Step 2: Convert to fraction form
    19,608.56/29,412.84 = 7,126.26/x
  3. Step 3: Cross multiply
    19,608.56x = 29,412.84 × 7,126.26
  4. Step 4: Simplify right side
    19,608.56x = 209,603,545.18
  5. Step 5: Solve for x
    x = 209,603,545.18/19,608.56
  6. Step 6: Final answer
    x = 10,689.39

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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.