Home / 14,889.26-20,547.94-8,174.84

Finding the Fourth Proportional to 14,889.26, 20,547.94 and 8,174.84

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Solution

The fourth proportional to 14,889.26, 20,547.94 and 8,174.84 is: 11,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.26 : 20,547.94 = 8,174.84 : x
  2. Step 2: Convert to fraction form
    14,889.26/20,547.94 = 8,174.84/x
  3. Step 3: Cross multiply
    14,889.26x = 20,547.94 × 8,174.84
  4. Step 4: Simplify right side
    14,889.26x = 167,976,121.83
  5. Step 5: Solve for x
    x = 167,976,121.83/14,889.26
  6. Step 6: Final answer
    x = 11,281.70

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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.