Home / 19,516.15-29,274.54-7,045.12

Finding the Fourth Proportional to 19,516.15, 29,274.54 and 7,045.12

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Solution

The fourth proportional to 19,516.15, 29,274.54 and 7,045.12 is: 10,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.15 : 29,274.54 = 7,045.12 : x
  2. Step 2: Convert to fraction form
    19,516.15/29,274.54 = 7,045.12/x
  3. Step 3: Cross multiply
    19,516.15x = 29,274.54 × 7,045.12
  4. Step 4: Simplify right side
    19,516.15x = 206,242,647.24
  5. Step 5: Solve for x
    x = 206,242,647.24/19,516.15
  6. Step 6: Final answer
    x = 10,567.79

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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.