Home / 16,815.36-23,207.45-10,864.35

Finding the Fourth Proportional to 16,815.36, 23,207.45 and 10,864.35

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Solution

The fourth proportional to 16,815.36, 23,207.45 and 10,864.35 is: 14,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.36 : 23,207.45 = 10,864.35 : x
  2. Step 2: Convert to fraction form
    16,815.36/23,207.45 = 10,864.35/x
  3. Step 3: Cross multiply
    16,815.36x = 23,207.45 × 10,864.35
  4. Step 4: Simplify right side
    16,815.36x = 252,133,805.09
  5. Step 5: Solve for x
    x = 252,133,805.09/16,815.36
  6. Step 6: Final answer
    x = 14,994.25

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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.