Home / 19,703.32-29,561.97-12,113.23

Finding the Fourth Proportional to 19,703.32, 29,561.97 and 12,113.23

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Solution

The fourth proportional to 19,703.32, 29,561.97 and 12,113.23 is: 18,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.32 : 29,561.97 = 12,113.23 : x
  2. Step 2: Convert to fraction form
    19,703.32/29,561.97 = 12,113.23/x
  3. Step 3: Cross multiply
    19,703.32x = 29,561.97 × 12,113.23
  4. Step 4: Simplify right side
    19,703.32x = 358,090,941.86
  5. Step 5: Solve for x
    x = 358,090,941.86/19,703.32
  6. Step 6: Final answer
    x = 18,174.14

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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.