Home / 14,288.67-19,714.89-8,316.75

Finding the Fourth Proportional to 14,288.67, 19,714.89 and 8,316.75

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Solution

The fourth proportional to 14,288.67, 19,714.89 and 8,316.75 is: 11,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.67 : 19,714.89 = 8,316.75 : x
  2. Step 2: Convert to fraction form
    14,288.67/19,714.89 = 8,316.75/x
  3. Step 3: Cross multiply
    14,288.67x = 19,714.89 × 8,316.75
  4. Step 4: Simplify right side
    14,288.67x = 163,963,811.41
  5. Step 5: Solve for x
    x = 163,963,811.41/14,288.67
  6. Step 6: Final answer
    x = 11,475.09

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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.