Home / 14,588.94-20,132.72-8,622.76

Finding the Fourth Proportional to 14,588.94, 20,132.72 and 8,622.76

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Solution

The fourth proportional to 14,588.94, 20,132.72 and 8,622.76 is: 11,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.94 : 20,132.72 = 8,622.76 : x
  2. Step 2: Convert to fraction form
    14,588.94/20,132.72 = 8,622.76/x
  3. Step 3: Cross multiply
    14,588.94x = 20,132.72 × 8,622.76
  4. Step 4: Simplify right side
    14,588.94x = 173,599,612.71
  5. Step 5: Solve for x
    x = 173,599,612.71/14,588.94
  6. Step 6: Final answer
    x = 11,899.40

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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.