Home / 19,816.12-27,346.10-10,864

Finding the Fourth Proportional to 19,816.12, 27,346.10 and 10,864

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Solution

The fourth proportional to 19,816.12, 27,346.10 and 10,864 is: 14,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.12 : 27,346.10 = 10,864 : x
  2. Step 2: Convert to fraction form
    19,816.12/27,346.10 = 10,864/x
  3. Step 3: Cross multiply
    19,816.12x = 27,346.10 × 10,864
  4. Step 4: Simplify right side
    19,816.12x = 297,088,030.40
  5. Step 5: Solve for x
    x = 297,088,030.40/19,816.12
  6. Step 6: Final answer
    x = 14,992.24

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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.