Home / 19,545.77-29,322.26-6,398.87

Finding the Fourth Proportional to 19,545.77, 29,322.26 and 6,398.87

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Solution

The fourth proportional to 19,545.77, 29,322.26 and 6,398.87 is: 9,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.77 : 29,322.26 = 6,398.87 : x
  2. Step 2: Convert to fraction form
    19,545.77/29,322.26 = 6,398.87/x
  3. Step 3: Cross multiply
    19,545.77x = 29,322.26 × 6,398.87
  4. Step 4: Simplify right side
    19,545.77x = 187,629,329.85
  5. Step 5: Solve for x
    x = 187,629,329.85/19,545.77
  6. Step 6: Final answer
    x = 9,599.49

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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.