Home / 14,547.19-20,072.97-8,414.70

Finding the Fourth Proportional to 14,547.19, 20,072.97 and 8,414.70

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Solution

The fourth proportional to 14,547.19, 20,072.97 and 8,414.70 is: 11,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.19 : 20,072.97 = 8,414.70 : x
  2. Step 2: Convert to fraction form
    14,547.19/20,072.97 = 8,414.70/x
  3. Step 3: Cross multiply
    14,547.19x = 20,072.97 × 8,414.70
  4. Step 4: Simplify right side
    14,547.19x = 168,908,079.93
  5. Step 5: Solve for x
    x = 168,908,079.93/14,547.19
  6. Step 6: Final answer
    x = 11,611.05

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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.