Home / 14,624.49-21,900.29-8,785.20

Finding the Fourth Proportional to 14,624.49, 21,900.29 and 8,785.20

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Solution

The fourth proportional to 14,624.49, 21,900.29 and 8,785.20 is: 13,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.49 : 21,900.29 = 8,785.20 : x
  2. Step 2: Convert to fraction form
    14,624.49/21,900.29 = 8,785.20/x
  3. Step 3: Cross multiply
    14,624.49x = 21,900.29 × 8,785.20
  4. Step 4: Simplify right side
    14,624.49x = 192,398,383.78
  5. Step 5: Solve for x
    x = 192,398,383.78/14,624.49
  6. Step 6: Final answer
    x = 13,155.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.