Home / 19,069.03-28,607.67-7,824.40

Finding the Fourth Proportional to 19,069.03, 28,607.67 and 7,824.40

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Solution

The fourth proportional to 19,069.03, 28,607.67 and 7,824.40 is: 11,738.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.03 : 28,607.67 = 7,824.40 : x
  2. Step 2: Convert to fraction form
    19,069.03/28,607.67 = 7,824.40/x
  3. Step 3: Cross multiply
    19,069.03x = 28,607.67 × 7,824.40
  4. Step 4: Simplify right side
    19,069.03x = 223,837,781.63
  5. Step 5: Solve for x
    x = 223,837,781.63/19,069.03
  6. Step 6: Final answer
    x = 11,738.29

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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.