Home / 14,890.43-20,547.27-8,921.95

Finding the Fourth Proportional to 14,890.43, 20,547.27 and 8,921.95

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Solution

The fourth proportional to 14,890.43, 20,547.27 and 8,921.95 is: 12,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.43 : 20,547.27 = 8,921.95 : x
  2. Step 2: Convert to fraction form
    14,890.43/20,547.27 = 8,921.95/x
  3. Step 3: Cross multiply
    14,890.43x = 20,547.27 × 8,921.95
  4. Step 4: Simplify right side
    14,890.43x = 183,321,664.21
  5. Step 5: Solve for x
    x = 183,321,664.21/14,890.43
  6. Step 6: Final answer
    x = 12,311.37

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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.