Home / 14,974.34-20,664.74-8,259.91

Finding the Fourth Proportional to 14,974.34, 20,664.74 and 8,259.91

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Solution

The fourth proportional to 14,974.34, 20,664.74 and 8,259.91 is: 11,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.34 : 20,664.74 = 8,259.91 : x
  2. Step 2: Convert to fraction form
    14,974.34/20,664.74 = 8,259.91/x
  3. Step 3: Cross multiply
    14,974.34x = 20,664.74 × 8,259.91
  4. Step 4: Simplify right side
    14,974.34x = 170,688,892.57
  5. Step 5: Solve for x
    x = 170,688,892.57/14,974.34
  6. Step 6: Final answer
    x = 11,398.76

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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.