Home / 14,627.79-21,908.88-14,135.72

Finding the Fourth Proportional to 14,627.79, 21,908.88 and 14,135.72

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Solution

The fourth proportional to 14,627.79, 21,908.88 and 14,135.72 is: 21,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.79 : 21,908.88 = 14,135.72 : x
  2. Step 2: Convert to fraction form
    14,627.79/21,908.88 = 14,135.72/x
  3. Step 3: Cross multiply
    14,627.79x = 21,908.88 × 14,135.72
  4. Step 4: Simplify right side
    14,627.79x = 309,697,683.65
  5. Step 5: Solve for x
    x = 309,697,683.65/14,627.79
  6. Step 6: Final answer
    x = 21,171.87

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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.