Home / 16,815.79-23,208.01-10,864.77

Finding the Fourth Proportional to 16,815.79, 23,208.01 and 10,864.77

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Solution

The fourth proportional to 16,815.79, 23,208.01 and 10,864.77 is: 14,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.79 : 23,208.01 = 10,864.77 : x
  2. Step 2: Convert to fraction form
    16,815.79/23,208.01 = 10,864.77/x
  3. Step 3: Cross multiply
    16,815.79x = 23,208.01 × 10,864.77
  4. Step 4: Simplify right side
    16,815.79x = 252,149,690.81
  5. Step 5: Solve for x
    x = 252,149,690.81/16,815.79
  6. Step 6: Final answer
    x = 14,994.82

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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.