Home / 14,207.16-19,614.29-12,630.90

Finding the Fourth Proportional to 14,207.16, 19,614.29 and 12,630.90

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Solution

The fourth proportional to 14,207.16, 19,614.29 and 12,630.90 is: 17,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.16 : 19,614.29 = 12,630.90 : x
  2. Step 2: Convert to fraction form
    14,207.16/19,614.29 = 12,630.90/x
  3. Step 3: Cross multiply
    14,207.16x = 19,614.29 × 12,630.90
  4. Step 4: Simplify right side
    14,207.16x = 247,746,072.41
  5. Step 5: Solve for x
    x = 247,746,072.41/14,207.16
  6. Step 6: Final answer
    x = 17,438.11

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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.