Home / 13,282.80-19,926.60-5,492.40

Finding the Fourth Proportional to 13,282.80, 19,926.60 and 5,492.40

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Solution

The fourth proportional to 13,282.80, 19,926.60 and 5,492.40 is: 8,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.80 : 19,926.60 = 5,492.40 : x
  2. Step 2: Convert to fraction form
    13,282.80/19,926.60 = 5,492.40/x
  3. Step 3: Cross multiply
    13,282.80x = 19,926.60 × 5,492.40
  4. Step 4: Simplify right side
    13,282.80x = 109,444,857.84
  5. Step 5: Solve for x
    x = 109,444,857.84/13,282.80
  6. Step 6: Final answer
    x = 8,239.59

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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.