Home / 19,516.68-29,278.80-6,365.52

Finding the Fourth Proportional to 19,516.68, 29,278.80 and 6,365.52

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Solution

The fourth proportional to 19,516.68, 29,278.80 and 6,365.52 is: 9,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.68 : 29,278.80 = 6,365.52 : x
  2. Step 2: Convert to fraction form
    19,516.68/29,278.80 = 6,365.52/x
  3. Step 3: Cross multiply
    19,516.68x = 29,278.80 × 6,365.52
  4. Step 4: Simplify right side
    19,516.68x = 186,374,786.98
  5. Step 5: Solve for x
    x = 186,374,786.98/19,516.68
  6. Step 6: Final answer
    x = 9,549.51

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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.