Home / 19,716.48-29,513.92-13,045.76

Finding the Fourth Proportional to 19,716.48, 29,513.92 and 13,045.76

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Solution

The fourth proportional to 19,716.48, 29,513.92 and 13,045.76 is: 19,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.48 : 29,513.92 = 13,045.76 : x
  2. Step 2: Convert to fraction form
    19,716.48/29,513.92 = 13,045.76/x
  3. Step 3: Cross multiply
    19,716.48x = 29,513.92 × 13,045.76
  4. Step 4: Simplify right side
    19,716.48x = 385,031,516.98
  5. Step 5: Solve for x
    x = 385,031,516.98/19,716.48
  6. Step 6: Final answer
    x = 19,528.41

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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.