Home / 14,492.12-19,989.60-11,342.84

Finding the Fourth Proportional to 14,492.12, 19,989.60 and 11,342.84

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Solution

The fourth proportional to 14,492.12, 19,989.60 and 11,342.84 is: 15,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,492.12 : 19,989.60 = 11,342.84 : x
  2. Step 2: Convert to fraction form
    14,492.12/19,989.60 = 11,342.84/x
  3. Step 3: Cross multiply
    14,492.12x = 19,989.60 × 11,342.84
  4. Step 4: Simplify right side
    14,492.12x = 226,738,834.46
  5. Step 5: Solve for x
    x = 226,738,834.46/14,492.12
  6. Step 6: Final answer
    x = 15,645.66

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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.