Home / 14,012.60-19,326.45-8,977.29

Finding the Fourth Proportional to 14,012.60, 19,326.45 and 8,977.29

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Solution

The fourth proportional to 14,012.60, 19,326.45 and 8,977.29 is: 12,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.60 : 19,326.45 = 8,977.29 : x
  2. Step 2: Convert to fraction form
    14,012.60/19,326.45 = 8,977.29/x
  3. Step 3: Cross multiply
    14,012.60x = 19,326.45 × 8,977.29
  4. Step 4: Simplify right side
    14,012.60x = 173,499,179.99
  5. Step 5: Solve for x
    x = 173,499,179.99/14,012.60
  6. Step 6: Final answer
    x = 12,381.65

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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.