Home / 19,838.12-29,740.08-11,402.84

Finding the Fourth Proportional to 19,838.12, 29,740.08 and 11,402.84

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Solution

The fourth proportional to 19,838.12, 29,740.08 and 11,402.84 is: 17,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.12 : 29,740.08 = 11,402.84 : x
  2. Step 2: Convert to fraction form
    19,838.12/29,740.08 = 11,402.84/x
  3. Step 3: Cross multiply
    19,838.12x = 29,740.08 × 11,402.84
  4. Step 4: Simplify right side
    19,838.12x = 339,121,373.83
  5. Step 5: Solve for x
    x = 339,121,373.83/19,838.12
  6. Step 6: Final answer
    x = 17,094.43

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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.