Home / 14,955.20-20,633.58-8,666.36

Finding the Fourth Proportional to 14,955.20, 20,633.58 and 8,666.36

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Solution

The fourth proportional to 14,955.20, 20,633.58 and 8,666.36 is: 11,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.20 : 20,633.58 = 8,666.36 : x
  2. Step 2: Convert to fraction form
    14,955.20/20,633.58 = 8,666.36/x
  3. Step 3: Cross multiply
    14,955.20x = 20,633.58 × 8,666.36
  4. Step 4: Simplify right side
    14,955.20x = 178,818,032.37
  5. Step 5: Solve for x
    x = 178,818,032.37/14,955.20
  6. Step 6: Final answer
    x = 11,956.91

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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.