Home / 18,824.90-28,266.15-13,007.30

Finding the Fourth Proportional to 18,824.90, 28,266.15 and 13,007.30

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Solution

The fourth proportional to 18,824.90, 28,266.15 and 13,007.30 is: 19,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.90 : 28,266.15 = 13,007.30 : x
  2. Step 2: Convert to fraction form
    18,824.90/28,266.15 = 13,007.30/x
  3. Step 3: Cross multiply
    18,824.90x = 28,266.15 × 13,007.30
  4. Step 4: Simplify right side
    18,824.90x = 367,666,292.90
  5. Step 5: Solve for x
    x = 367,666,292.90/18,824.90
  6. Step 6: Final answer
    x = 19,530.85

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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.