Home / 19,423.13-26,801.84-11,871.29

Finding the Fourth Proportional to 19,423.13, 26,801.84 and 11,871.29

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Solution

The fourth proportional to 19,423.13, 26,801.84 and 11,871.29 is: 16,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.13 : 26,801.84 = 11,871.29 : x
  2. Step 2: Convert to fraction form
    19,423.13/26,801.84 = 11,871.29/x
  3. Step 3: Cross multiply
    19,423.13x = 26,801.84 × 11,871.29
  4. Step 4: Simplify right side
    19,423.13x = 318,172,511.86
  5. Step 5: Solve for x
    x = 318,172,511.86/19,423.13
  6. Step 6: Final answer
    x = 16,381.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.