Home / 14,613.68-21,916.20-12,274.40

Finding the Fourth Proportional to 14,613.68, 21,916.20 and 12,274.40

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Solution

The fourth proportional to 14,613.68, 21,916.20 and 12,274.40 is: 18,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.68 : 21,916.20 = 12,274.40 : x
  2. Step 2: Convert to fraction form
    14,613.68/21,916.20 = 12,274.40/x
  3. Step 3: Cross multiply
    14,613.68x = 21,916.20 × 12,274.40
  4. Step 4: Simplify right side
    14,613.68x = 269,008,205.28
  5. Step 5: Solve for x
    x = 269,008,205.28/14,613.68
  6. Step 6: Final answer
    x = 18,407.97

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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.