Home / 14,441.77-19,930.98-8,775.21

Finding the Fourth Proportional to 14,441.77, 19,930.98 and 8,775.21

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Solution

The fourth proportional to 14,441.77, 19,930.98 and 8,775.21 is: 12,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.77 : 19,930.98 = 8,775.21 : x
  2. Step 2: Convert to fraction form
    14,441.77/19,930.98 = 8,775.21/x
  3. Step 3: Cross multiply
    14,441.77x = 19,930.98 × 8,775.21
  4. Step 4: Simplify right side
    14,441.77x = 174,898,491.13
  5. Step 5: Solve for x
    x = 174,898,491.13/14,441.77
  6. Step 6: Final answer
    x = 12,110.60

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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.