Home / 14,475.38-19,977.23-8,188.97

Finding the Fourth Proportional to 14,475.38, 19,977.23 and 8,188.97

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Solution

The fourth proportional to 14,475.38, 19,977.23 and 8,188.97 is: 11,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.38 : 19,977.23 = 8,188.97 : x
  2. Step 2: Convert to fraction form
    14,475.38/19,977.23 = 8,188.97/x
  3. Step 3: Cross multiply
    14,475.38x = 19,977.23 × 8,188.97
  4. Step 4: Simplify right side
    14,475.38x = 163,592,857.74
  5. Step 5: Solve for x
    x = 163,592,857.74/14,475.38
  6. Step 6: Final answer
    x = 11,301.46

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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.