Home / 14,630.10-21,945.15-8,783.70

Finding the Fourth Proportional to 14,630.10, 21,945.15 and 8,783.70

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Solution

The fourth proportional to 14,630.10, 21,945.15 and 8,783.70 is: 13,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.10 : 21,945.15 = 8,783.70 : x
  2. Step 2: Convert to fraction form
    14,630.10/21,945.15 = 8,783.70/x
  3. Step 3: Cross multiply
    14,630.10x = 21,945.15 × 8,783.70
  4. Step 4: Simplify right side
    14,630.10x = 192,759,614.06
  5. Step 5: Solve for x
    x = 192,759,614.06/14,630.10
  6. Step 6: Final answer
    x = 13,175.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.