Home / 19,717.76-29,578.08-5,677.22

Finding the Fourth Proportional to 19,717.76, 29,578.08 and 5,677.22

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Solution

The fourth proportional to 19,717.76, 29,578.08 and 5,677.22 is: 8,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.76 : 29,578.08 = 5,677.22 : x
  2. Step 2: Convert to fraction form
    19,717.76/29,578.08 = 5,677.22/x
  3. Step 3: Cross multiply
    19,717.76x = 29,578.08 × 5,677.22
  4. Step 4: Simplify right side
    19,717.76x = 167,921,267.34
  5. Step 5: Solve for x
    x = 167,921,267.34/19,717.76
  6. Step 6: Final answer
    x = 8,516.24

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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.