Home / 14,328.80-19,774.92-8,360.84

Finding the Fourth Proportional to 14,328.80, 19,774.92 and 8,360.84

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Solution

The fourth proportional to 14,328.80, 19,774.92 and 8,360.84 is: 11,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.80 : 19,774.92 = 8,360.84 : x
  2. Step 2: Convert to fraction form
    14,328.80/19,774.92 = 8,360.84/x
  3. Step 3: Cross multiply
    14,328.80x = 19,774.92 × 8,360.84
  4. Step 4: Simplify right side
    14,328.80x = 165,334,942.13
  5. Step 5: Solve for x
    x = 165,334,942.13/14,328.80
  6. Step 6: Final answer
    x = 11,538.65

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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.