Home / 14,207.66-19,614.98-12,631.40

Finding the Fourth Proportional to 14,207.66, 19,614.98 and 12,631.40

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Solution

The fourth proportional to 14,207.66, 19,614.98 and 12,631.40 is: 17,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.66 : 19,614.98 = 12,631.40 : x
  2. Step 2: Convert to fraction form
    14,207.66/19,614.98 = 12,631.40/x
  3. Step 3: Cross multiply
    14,207.66x = 19,614.98 × 12,631.40
  4. Step 4: Simplify right side
    14,207.66x = 247,764,658.37
  5. Step 5: Solve for x
    x = 247,764,658.37/14,207.66
  6. Step 6: Final answer
    x = 17,438.81

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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.